[gtk/wip/css-value-unboxing: 12783/12783] wip: Unbox css values




commit 5bbe811090d11840bbd65f46b6f5100b3079ac97
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Sep 13 17:04:19 2022 -0400

    wip: Unbox css values
    
    Keep css values unboxed in the values structs, for faster access
    to these values, where it makes sense.

 gtk/gskpango.c                |   8 +-
 gtk/gtkboxlayout.c            |  10 +-
 gtk/gtkbuiltinicon.c          |   2 +-
 gtk/gtkcellrendererspinner.c  |   2 +-
 gtk/gtkcellrenderertoggle.c   |   2 +-
 gtk/gtkcolumnviewcell.c       |  22 ++--
 gtk/gtkcolumnviewtitle.c      |  18 ++-
 gtk/gtkcssanimatedstyle.c     |  76 ++++++++++++
 gtk/gtkcssboxesimplprivate.h  | 184 ++++++++---------------------
 gtk/gtkcssboxesprivate.h      |  16 +--
 gtk/gtkcssenumvalue.c         |  12 +-
 gtk/gtkcssimagerecolor.c      |   2 +-
 gtk/gtkcssnumbervalue.c       |  20 ++--
 gtk/gtkcssstaticstyle.c       | 269 ++++++++++++++++++++++++++++++++++++++----
 gtk/gtkcssstyle.c             |  53 +++++----
 gtk/gtkcssstyleprivate.h      |  44 +++++++
 gtk/gtkcsstypesprivate.h      |   7 ++
 gtk/gtkflowbox.c              |   4 +-
 gtk/gtkgridlayout.c           |  11 +-
 gtk/gtkiconhelper.c           |   7 +-
 gtk/gtkicontheme.c            |   5 +-
 gtk/gtklabel.c                |   2 +-
 gtk/gtknative.c               |  44 +++----
 gtk/gtkpicture.c              |   2 +-
 gtk/gtkpopover.c              |  20 ++--
 gtk/gtkrender.c               |   6 +-
 gtk/gtkrenderbackground.c     |   2 +-
 gtk/gtkrenderborder.c         |  58 ++++-----
 gtk/gtksizerequest.c          |  56 ++++-----
 gtk/gtksnapshot.c             |   6 +-
 gtk/gtkspinner.c              |   2 +-
 gtk/gtkstylecontext.c         |  31 ++---
 gtk/gtktexthandle.c           |   8 +-
 gtk/gtktextlayout.c           |   7 +-
 gtk/gtktextutil.c             |   6 +-
 gtk/gtktextview.c             |  10 +-
 gtk/gtktreeview.c             |  16 +--
 gtk/gtkwidget.c               |  44 ++++---
 gtk/gtkwindow.c               |  20 ++--
 gtk/inspector/layoutoverlay.c |  42 ++++---
 40 files changed, 674 insertions(+), 482 deletions(-)
---
diff --git a/gtk/gskpango.c b/gtk/gskpango.c
index e96c84a2fc..737ef21be5 100644
--- a/gtk/gskpango.c
+++ b/gtk/gskpango.c
@@ -342,20 +342,16 @@ gsk_pango_renderer_prepare_run (PangoRenderer  *renderer,
       GTK_IS_TEXT_VIEW (crenderer->widget))
     {
       GtkCssNode *node;
-      GtkCssValue *value;
 
       node = gtk_text_view_get_selection_node ((GtkTextView *)crenderer->widget);
-      value = gtk_css_node_get_style (node)->core->color;
-      fg_rgba = gtk_css_color_value_get_rgba (value);
+      fg_rgba = &gtk_css_node_get_style (node)->core->_color;
     }
   else if (crenderer->state == GSK_PANGO_RENDERER_CURSOR && gtk_widget_has_focus (crenderer->widget))
     {
       GtkCssNode *node;
-      GtkCssValue *value;
 
       node = gtk_widget_get_css_node (crenderer->widget);
-      value = gtk_css_node_get_style (node)->background->background_color;
-      fg_rgba = gtk_css_color_value_get_rgba (value);
+      fg_rgba = &gtk_css_node_get_style (node)->background->_background_color;
     }
   else
     fg_rgba = appearance->fg_rgba;
diff --git a/gtk/gtkboxlayout.c b/gtk/gtkboxlayout.c
index 275e0371c9..2fbaa973aa 100644
--- a/gtk/gtkboxlayout.c
+++ b/gtk/gtkboxlayout.c
@@ -188,16 +188,8 @@ get_spacing (GtkBoxLayout *self,
              GtkCssNode   *node)
 {
   GtkCssStyle *style = gtk_css_node_get_style (node);
-  GtkCssValue *border_spacing;
-  int css_spacing;
 
-  border_spacing = style->size->border_spacing;
-  if (self->orientation == GTK_ORIENTATION_HORIZONTAL)
-    css_spacing = _gtk_css_position_value_get_x (border_spacing, 100);
-  else
-    css_spacing = _gtk_css_position_value_get_y (border_spacing, 100);
-
-  return css_spacing + self->spacing;
+  return style->size->_border_spacing[self->orientation] + self->spacing;
 }
 
 static void
diff --git a/gtk/gtkbuiltinicon.c b/gtk/gtkbuiltinicon.c
index 642b77bd18..cdb5ed4e21 100644
--- a/gtk/gtkbuiltinicon.c
+++ b/gtk/gtkbuiltinicon.c
@@ -84,7 +84,7 @@ gtk_builtin_icon_measure (GtkWidget      *widget,
 
   style = gtk_css_node_get_style (gtk_widget_get_css_node (widget));
 
-  *minimum = *natural = _gtk_css_number_value_get (style->icon->icon_size, 100);
+  *minimum = *natural = style->icon->_icon_size;
 }
 
 static void
diff --git a/gtk/gtkcellrendererspinner.c b/gtk/gtkcellrendererspinner.c
index 52559f83a0..48cb22b378 100644
--- a/gtk/gtkcellrendererspinner.c
+++ b/gtk/gtkcellrendererspinner.c
@@ -247,7 +247,7 @@ gtk_cell_renderer_spinner_update_size (GtkCellRendererSpinner *cell,
   node = gtk_style_context_get_node (context);
   gtk_icon_size_set_style_classes (node, priv->icon_size);
   style = gtk_css_node_get_style (node);
-  priv->size = _gtk_css_number_value_get (style->icon->icon_size, 100);
+  priv->size = style->icon->_icon_size;
 
   gtk_style_context_restore (context);
 }
diff --git a/gtk/gtkcellrenderertoggle.c b/gtk/gtkcellrenderertoggle.c
index 2a4c9669a9..1404e5b02a 100644
--- a/gtk/gtkcellrenderertoggle.c
+++ b/gtk/gtkcellrenderertoggle.c
@@ -364,7 +364,7 @@ static int
 calc_indicator_size (GtkStyleContext *context)
 {
   GtkCssStyle *style = gtk_style_context_lookup_style (context);
-  return _gtk_css_number_value_get (style->icon->icon_size, 100);
+  return style->icon->_icon_size;
 }
 
 static void
diff --git a/gtk/gtkcolumnviewcell.c b/gtk/gtkcolumnviewcell.c
index 1ada1b4292..eff3a1f976 100644
--- a/gtk/gtkcolumnviewcell.c
+++ b/gtk/gtkcolumnviewcell.c
@@ -47,15 +47,13 @@ struct _GtkColumnViewCellClass
 
 G_DEFINE_TYPE (GtkColumnViewCell, gtk_column_view_cell, GTK_TYPE_LIST_ITEM_WIDGET)
 
-static int
-get_number (GtkCssValue *value)
+static inline int
+ceil_or_floor (float d)
 {
-  double d = _gtk_css_number_value_get (value, 100);
-
   if (d < 1)
-    return ceil (d);
+    return ceilf (d);
   else
-    return floor (d);
+    return floorf (d);
 }
 
 static int
@@ -67,12 +65,12 @@ unadjust_width (GtkWidget *widget,
   int css_extra;
 
   style = gtk_css_node_get_style (gtk_widget_get_css_node (widget));
-  css_extra = get_number (style->size->margin_left) +
-              get_number (style->size->margin_right) +
-              get_number (style->border->border_left_width) +
-              get_number (style->border->border_right_width) +
-              get_number (style->size->padding_left) +
-              get_number (style->size->padding_right);
+  css_extra = ceil_or_floor (style->size->_margin[GTK_CSS_LEFT]) +
+              ceil_or_floor (style->size->_margin[GTK_CSS_RIGHT]) +
+              ceil_or_floor (style->border->_border_width[GTK_CSS_LEFT]) +
+              ceil_or_floor (style->border->_border_width[GTK_CSS_RIGHT]) +
+              ceil_or_floor (style->size->_padding[GTK_CSS_LEFT]) +
+              ceil_or_floor (style->size->_padding[GTK_CSS_RIGHT]);
   widget_margins = widget->priv->margin.left + widget->priv->margin.right;
 
   return MAX (0, width - widget_margins - css_extra);
diff --git a/gtk/gtkcolumnviewtitle.c b/gtk/gtkcolumnviewtitle.c
index e2e57b29fa..192c74ea59 100644
--- a/gtk/gtkcolumnviewtitle.c
+++ b/gtk/gtkcolumnviewtitle.c
@@ -54,11 +54,9 @@ struct _GtkColumnViewTitleClass
 
 G_DEFINE_TYPE (GtkColumnViewTitle, gtk_column_view_title, GTK_TYPE_WIDGET)
 
-static int
-get_number (GtkCssValue *value)
+static inline int
+ceil_or_floor (float d)
 {
-  double d = _gtk_css_number_value_get (value, 100);
-
   if (d < 1)
     return ceil (d);
   else
@@ -74,12 +72,12 @@ unadjust_width (GtkWidget *widget,
   int css_extra;
 
   style = gtk_css_node_get_style (gtk_widget_get_css_node (widget));
-  css_extra = get_number (style->size->margin_left) +
-              get_number (style->size->margin_right) +
-              get_number (style->border->border_left_width) +
-              get_number (style->border->border_right_width) +
-              get_number (style->size->padding_left) +
-              get_number (style->size->padding_right);
+  css_extra = ceil_or_floor (style->size->_margin[GTK_CSS_LEFT]) +
+              ceil_or_floor (style->size->_margin[GTK_CSS_RIGHT]) +
+              ceil_or_floor (style->border->_border_width[GTK_CSS_LEFT]) +
+              ceil_or_floor (style->border->_border_width[GTK_CSS_RIGHT]) +
+              ceil_or_floor (style->size->_padding[GTK_CSS_LEFT]) +
+              ceil_or_floor (style->size->_padding[GTK_CSS_RIGHT]);
   widget_margins = widget->priv->margin.left + widget->priv->margin.right;
 
   return MAX (0, width - widget_margins - css_extra);
diff --git a/gtk/gtkcssanimatedstyle.c b/gtk/gtkcssanimatedstyle.c
index fdfcf17f1f..c8ce30a412 100644
--- a/gtk/gtkcssanimatedstyle.c
+++ b/gtk/gtkcssanimatedstyle.c
@@ -23,6 +23,9 @@
 
 #include "gtkcssanimationprivate.h"
 #include "gtkcssarrayvalueprivate.h"
+#include "gtkcsscolorvalueprivate.h"
+#include "gtkcsscornervalueprivate.h"
+#include "gtkcsspositionvalueprivate.h"
 #include "gtkcssdynamicprivate.h"
 #include "gtkcssenumvalueprivate.h"
 #include "gtkcssinheritvalueprivate.h"
@@ -37,6 +40,7 @@
 #include "gtkstyleanimationprivate.h"
 #include "gtkstylepropertyprivate.h"
 #include "gtkstyleproviderprivate.h"
+#include "gtkcsslineheightvalueprivate.h"
 
 G_DEFINE_TYPE (GtkCssAnimatedStyle, gtk_css_animated_style, GTK_TYPE_CSS_STYLE)
 
@@ -120,6 +124,9 @@ gtk_css_animated_style_init (GtkCssAnimatedStyle *style)
 }
 
 #define DEFINE_UNSHARE(TYPE, NAME) \
+\
+extern void gtk_css_ ## NAME ## _values_unbox (TYPE *values); \
+\
 static inline void \
 unshare_ ## NAME (GtkCssAnimatedStyle *animated) \
 { \
@@ -128,6 +135,7 @@ unshare_ ## NAME (GtkCssAnimatedStyle *animated) \
     { \
       gtk_css_values_unref ((GtkCssValues *)style->NAME); \
       style->NAME = (TYPE *)gtk_css_values_copy ((GtkCssValues *)animated->style->NAME); \
+      gtk_css_ ## NAME ## _values_unbox (style->NAME); \
     } \
 }
 
@@ -167,14 +175,17 @@ gtk_css_animated_style_set_animated_value (GtkCssAnimatedStyle *animated,
     case GTK_CSS_PROPERTY_COLOR:
       unshare_core (animated);
       gtk_css_take_value (&style->core->color, value);
+      style->core->_color = *gtk_css_color_value_get_rgba (style->core->color);
       break;
     case GTK_CSS_PROPERTY_DPI:
       unshare_core (animated);
       gtk_css_take_value (&style->core->dpi, value);
+      style->core->_dpi = _gtk_css_number_value_get (style->core->dpi, 96);
       break;
     case GTK_CSS_PROPERTY_FONT_SIZE:
       unshare_core (animated);
       gtk_css_take_value (&style->core->font_size, value);
+      style->core->_font_size = _gtk_css_number_value_get (style->core->font_size, 100);
       break;
     case GTK_CSS_PROPERTY_ICON_PALETTE:
       unshare_core (animated);
@@ -183,6 +194,7 @@ gtk_css_animated_style_set_animated_value (GtkCssAnimatedStyle *animated,
     case GTK_CSS_PROPERTY_BACKGROUND_COLOR:
       unshare_background (animated);
       gtk_css_take_value (&style->background->background_color, value);
+      style->background->_background_color = *gtk_css_color_value_get_rgba 
(style->background->background_color);
       break;
     case GTK_CSS_PROPERTY_FONT_FAMILY:
       unshare_font (animated);
@@ -191,66 +203,83 @@ gtk_css_animated_style_set_animated_value (GtkCssAnimatedStyle *animated,
     case GTK_CSS_PROPERTY_FONT_STYLE:
       unshare_font (animated);
       gtk_css_take_value (&style->font->font_style, value);
+      style->font->_font_style = _gtk_css_font_style_value_get (style->font->font_style);
       break;
     case GTK_CSS_PROPERTY_FONT_WEIGHT:
       unshare_font (animated);
       gtk_css_take_value (&style->font->font_weight, value);
+      style->font->_font_weight = _gtk_css_number_value_get (style->font->font_weight, 100);
       break;
     case GTK_CSS_PROPERTY_FONT_STRETCH:
       unshare_font (animated);
       gtk_css_take_value (&style->font->font_stretch, value);
+      style->font->_font_stretch = _gtk_css_font_stretch_value_get (style->font->font_stretch);
       break;
     case GTK_CSS_PROPERTY_LETTER_SPACING:
       unshare_font (animated);
       gtk_css_take_value (&style->font->letter_spacing, value);
+      style->font->_letter_spacing = _gtk_css_number_value_get (style->font->letter_spacing, 100);
       break;
     case GTK_CSS_PROPERTY_LINE_HEIGHT:
       unshare_font (animated);
       gtk_css_take_value (&style->font->line_height, value);
+      style->font->_line_height = gtk_css_line_height_value_get (style->font->line_height);
       break;
     case GTK_CSS_PROPERTY_TEXT_DECORATION_LINE:
       unshare_font_variant (animated);
       gtk_css_take_value (&style->font_variant->text_decoration_line, value);
+      style->font_variant->_text_decoration_line = _gtk_css_text_decoration_line_value_get 
(style->font_variant->text_decoration_line);
       break;
     case GTK_CSS_PROPERTY_TEXT_DECORATION_COLOR:
       unshare_font_variant (animated);
       gtk_css_take_value (&style->font_variant->text_decoration_color, value);
+      if (style->font_variant->text_decoration_color)
+        style->font_variant->_text_decoration_color = *gtk_css_color_value_get_rgba 
(style->font_variant->text_decoration_color);
       break;
     case GTK_CSS_PROPERTY_TEXT_DECORATION_STYLE:
       unshare_font_variant (animated);
       gtk_css_take_value (&style->font_variant->text_decoration_style, value);
+      style->font_variant->_text_decoration_style = _gtk_css_text_decoration_style_value_get 
(style->font_variant->text_decoration_style);
       break;
     case GTK_CSS_PROPERTY_TEXT_TRANSFORM:
       unshare_font_variant (animated);
       gtk_css_take_value (&style->font_variant->text_transform, value);
+      style->font_variant->_text_transform = _gtk_css_text_transform_value_get 
(style->font_variant->text_transform);
       break;
     case GTK_CSS_PROPERTY_FONT_KERNING:
       unshare_font_variant (animated);
       gtk_css_take_value (&style->font_variant->font_kerning, value);
+      style->font_variant->_font_kerning = _gtk_css_font_kerning_value_get 
(style->font_variant->font_kerning);
       break;
     case GTK_CSS_PROPERTY_FONT_VARIANT_LIGATURES:
       unshare_font_variant (animated);
       gtk_css_take_value (&style->font_variant->font_variant_ligatures, value);
+      style->font_variant->_font_variant_ligatures = _gtk_css_font_variant_ligature_value_get 
(style->font_variant->font_variant_ligatures);
       break;
     case GTK_CSS_PROPERTY_FONT_VARIANT_POSITION:
       unshare_font_variant (animated);
       gtk_css_take_value (&style->font_variant->font_variant_position, value);
+      style->font_variant->_font_variant_position = _gtk_css_font_variant_position_value_get 
(style->font_variant->font_variant_position);
       break;
     case GTK_CSS_PROPERTY_FONT_VARIANT_CAPS:
       unshare_font_variant (animated);
       gtk_css_take_value (&style->font_variant->font_variant_caps, value);
+      style->font_variant->_font_variant_caps = _gtk_css_font_variant_caps_value_get 
(style->font_variant->font_variant_caps);
       break;
     case GTK_CSS_PROPERTY_FONT_VARIANT_NUMERIC:
       unshare_font_variant (animated);
       gtk_css_take_value (&style->font_variant->font_variant_numeric, value);
+      style->font_variant->_font_variant_numeric = _gtk_css_font_variant_numeric_value_get 
(style->font_variant->font_variant_numeric);
       break;
     case GTK_CSS_PROPERTY_FONT_VARIANT_ALTERNATES:
       unshare_font_variant (animated);
       gtk_css_take_value (&style->font_variant->font_variant_alternates, value);
+      style->font_variant->_font_variant_alternates = _gtk_css_font_variant_alternate_value_get 
(style->font_variant->font_variant_alternates);
       break;
     case GTK_CSS_PROPERTY_FONT_VARIANT_EAST_ASIAN:
       unshare_font_variant (animated);
       gtk_css_take_value (&style->font_variant->font_variant_east_asian, value);
+      style->font_variant->_font_variant_east_asian = _gtk_css_font_variant_east_asian_value_get 
(style->font_variant->font_variant_east_asian);
       break;
     case GTK_CSS_PROPERTY_TEXT_SHADOW:
       unshare_font (animated);
@@ -263,94 +292,121 @@ gtk_css_animated_style_set_animated_value (GtkCssAnimatedStyle *animated,
     case GTK_CSS_PROPERTY_MARGIN_TOP:
       unshare_size (animated);
       gtk_css_take_value (&style->size->margin_top, value);
+      style->size->_margin[GTK_CSS_TOP] = _gtk_css_number_value_get (style->size->margin_top, 100);
       break;
     case GTK_CSS_PROPERTY_MARGIN_LEFT:
       unshare_size (animated);
       gtk_css_take_value (&style->size->margin_left, value);
+      style->size->_margin[GTK_CSS_LEFT] = _gtk_css_number_value_get (style->size->margin_left, 100);
       break;
     case GTK_CSS_PROPERTY_MARGIN_BOTTOM:
       unshare_size (animated);
       gtk_css_take_value (&style->size->margin_bottom, value);
+      style->size->_margin[GTK_CSS_BOTTOM] = _gtk_css_number_value_get (style->size->margin_bottom, 100);
       break;
     case GTK_CSS_PROPERTY_MARGIN_RIGHT:
       unshare_size (animated);
       gtk_css_take_value (&style->size->margin_right, value);
+      style->size->_margin[GTK_CSS_RIGHT] = _gtk_css_number_value_get (style->size->margin_right, 100);
       break;
     case GTK_CSS_PROPERTY_PADDING_TOP:
       unshare_size (animated);
       gtk_css_take_value (&style->size->padding_top, value);
+      style->size->_padding[GTK_CSS_TOP] = _gtk_css_number_value_get (style->size->padding_top, 100);
       break;
     case GTK_CSS_PROPERTY_PADDING_LEFT:
       unshare_size (animated);
       gtk_css_take_value (&style->size->padding_left, value);
+      style->size->_padding[GTK_CSS_LEFT] = _gtk_css_number_value_get (style->size->padding_left, 100);
       break;
     case GTK_CSS_PROPERTY_PADDING_BOTTOM:
       unshare_size (animated);
       gtk_css_take_value (&style->size->padding_bottom, value);
+      style->size->_padding[GTK_CSS_BOTTOM] = _gtk_css_number_value_get (style->size->padding_bottom, 100);
       break;
     case GTK_CSS_PROPERTY_PADDING_RIGHT:
       unshare_size (animated);
       gtk_css_take_value (&style->size->padding_right, value);
+      style->size->_padding[GTK_CSS_RIGHT] = _gtk_css_number_value_get (style->size->padding_right, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_TOP_STYLE:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_top_style, value);
+      style->border->_border_style[GTK_CSS_TOP] = _gtk_css_border_style_value_get 
(style->border->border_top_style);
       break;
     case GTK_CSS_PROPERTY_BORDER_TOP_WIDTH:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_top_width, value);
+      style->border->_border_width[GTK_CSS_TOP] = _gtk_css_number_value_get 
(style->border->border_top_width, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_LEFT_STYLE:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_left_style, value);
+      style->border->_border_style[GTK_CSS_LEFT] = _gtk_css_border_style_value_get 
(style->border->border_left_style);
       break;
     case GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_left_width, value);
+      style->border->_border_width[GTK_CSS_LEFT] = _gtk_css_number_value_get 
(style->border->border_left_width, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_bottom_style, value);
+      style->border->_border_style[GTK_CSS_BOTTOM] = _gtk_css_border_style_value_get 
(style->border->border_bottom_style);
       break;
     case GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_bottom_width, value);
+      style->border->_border_width[GTK_CSS_BOTTOM] = _gtk_css_number_value_get 
(style->border->border_bottom_width, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_right_style, value);
+      style->border->_border_style[GTK_CSS_RIGHT] = _gtk_css_border_style_value_get 
(style->border->border_right_style);
       break;
     case GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_right_width, value);
+      style->border->_border_width[GTK_CSS_RIGHT] = _gtk_css_number_value_get 
(style->border->border_right_width, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_top_left_radius, value);
+      style->border->_border_radius[GTK_CSS_TOP_LEFT].width = _gtk_css_corner_value_get_x 
(style->border->border_top_left_radius, 100);
+      style->border->_border_radius[GTK_CSS_TOP_LEFT].height = _gtk_css_corner_value_get_y 
(style->border->border_top_left_radius, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_TOP_RIGHT_RADIUS:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_top_right_radius, value);
+      style->border->_border_radius[GTK_CSS_TOP_RIGHT].width = _gtk_css_corner_value_get_x 
(style->border->border_top_right_radius, 100);
+      style->border->_border_radius[GTK_CSS_TOP_RIGHT].height = _gtk_css_corner_value_get_y 
(style->border->border_top_right_radius, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_BOTTOM_RIGHT_RADIUS:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_bottom_right_radius, value);
+     style->border->_border_radius[GTK_CSS_BOTTOM_RIGHT].width = _gtk_css_corner_value_get_x 
(style->border->border_bottom_right_radius, 100);
+      style->border->_border_radius[GTK_CSS_BOTTOM_RIGHT].height = _gtk_css_corner_value_get_y 
(style->border->border_bottom_right_radius, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_BOTTOM_LEFT_RADIUS:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_bottom_left_radius, value);
+      style->border->_border_radius[GTK_CSS_BOTTOM_LEFT].width = _gtk_css_corner_value_get_x 
(style->border->border_bottom_left_radius, 100);
+      style->border->_border_radius[GTK_CSS_BOTTOM_LEFT].height = _gtk_css_corner_value_get_y 
(style->border->border_bottom_left_radius, 100);
       break;
     case GTK_CSS_PROPERTY_OUTLINE_STYLE:
       unshare_outline (animated);
       gtk_css_take_value (&style->outline->outline_style, value);
+      style->outline->_outline_style = _gtk_css_border_style_value_get (style->outline->outline_style);
       break;
     case GTK_CSS_PROPERTY_OUTLINE_WIDTH:
       unshare_outline (animated);
       gtk_css_take_value (&style->outline->outline_width, value);
+      style->outline->_outline_width = _gtk_css_number_value_get (style->outline->outline_width, 100);
       break;
     case GTK_CSS_PROPERTY_OUTLINE_OFFSET:
       unshare_outline (animated);
       gtk_css_take_value (&style->outline->outline_offset, value);
+      style->outline->_outline_offset = _gtk_css_number_value_get (style->outline->outline_offset, 100);
       break;
     case GTK_CSS_PROPERTY_BACKGROUND_CLIP:
       unshare_background (animated);
@@ -371,22 +427,32 @@ gtk_css_animated_style_set_animated_value (GtkCssAnimatedStyle *animated,
     case GTK_CSS_PROPERTY_BORDER_TOP_COLOR:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_top_color, value);
+      if (style->border->border_top_color)
+        style->border->_border_color[GTK_CSS_TOP] = *gtk_css_color_value_get_rgba 
(style->border->border_top_color);
       break;
     case GTK_CSS_PROPERTY_BORDER_RIGHT_COLOR:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_right_color, value);
+      if (style->border->border_right_color)
+        style->border->_border_color[GTK_CSS_RIGHT] = *gtk_css_color_value_get_rgba 
(style->border->border_right_color);
       break;
     case GTK_CSS_PROPERTY_BORDER_BOTTOM_COLOR:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_bottom_color, value);
+      if (style->border->border_bottom_color)
+        style->border->_border_color[GTK_CSS_BOTTOM] = *gtk_css_color_value_get_rgba 
(style->border->border_bottom_color);
       break;
     case GTK_CSS_PROPERTY_BORDER_LEFT_COLOR:
       unshare_border (animated);
       gtk_css_take_value (&style->border->border_left_color, value);
+      if (style->border->border_left_color)
+        style->border->_border_color[GTK_CSS_LEFT] = *gtk_css_color_value_get_rgba 
(style->border->border_left_color);
       break;
     case GTK_CSS_PROPERTY_OUTLINE_COLOR:
       unshare_outline (animated);
       gtk_css_take_value (&style->outline->outline_color, value);
+      if (style->outline->outline_color)
+        style->outline->_outline_color = *gtk_css_color_value_get_rgba (style->outline->outline_color);
       break;
     case GTK_CSS_PROPERTY_BACKGROUND_REPEAT:
       unshare_background (animated);
@@ -423,6 +489,7 @@ gtk_css_animated_style_set_animated_value (GtkCssAnimatedStyle *animated,
     case GTK_CSS_PROPERTY_ICON_SIZE:
       unshare_icon (animated);
       gtk_css_take_value (&style->icon->icon_size, value);
+      style->icon->_icon_size = _gtk_css_number_value_get (style->icon->icon_size, 100);
       break;
     case GTK_CSS_PROPERTY_ICON_SHADOW:
       unshare_icon (animated);
@@ -431,6 +498,7 @@ gtk_css_animated_style_set_animated_value (GtkCssAnimatedStyle *animated,
     case GTK_CSS_PROPERTY_ICON_STYLE:
       unshare_icon (animated);
       gtk_css_take_value (&style->icon->icon_style, value);
+      style->icon->_icon_style = _gtk_css_icon_style_value_get (style->icon->icon_style);
       break;
     case GTK_CSS_PROPERTY_ICON_TRANSFORM:
       unshare_other (animated);
@@ -443,6 +511,8 @@ gtk_css_animated_style_set_animated_value (GtkCssAnimatedStyle *animated,
     case GTK_CSS_PROPERTY_BORDER_SPACING:
       unshare_size (animated);
       gtk_css_take_value (&style->size->border_spacing, value);
+      style->size->_border_spacing[GTK_ORIENTATION_HORIZONTAL] = _gtk_css_position_value_get_x 
(style->size->border_spacing, 100);
+      style->size->_border_spacing[GTK_ORIENTATION_VERTICAL] = _gtk_css_position_value_get_y 
(style->size->border_spacing, 100);
       break;
     case GTK_CSS_PROPERTY_TRANSFORM:
       unshare_other (animated);
@@ -455,10 +525,12 @@ gtk_css_animated_style_set_animated_value (GtkCssAnimatedStyle *animated,
     case GTK_CSS_PROPERTY_MIN_WIDTH:
       unshare_size (animated);
       gtk_css_take_value (&style->size->min_width, value);
+      style->size->_min_size[GTK_ORIENTATION_HORIZONTAL] = _gtk_css_number_value_get 
(style->size->min_width, 100);
       break;
     case GTK_CSS_PROPERTY_MIN_HEIGHT:
       unshare_size (animated);
       gtk_css_take_value (&style->size->min_height, value);
+      style->size->_min_size[GTK_ORIENTATION_VERTICAL] = _gtk_css_number_value_get (style->size->min_height, 
100);
       break;
     case GTK_CSS_PROPERTY_TRANSITION_PROPERTY:
       unshare_transition (animated);
@@ -519,10 +591,14 @@ gtk_css_animated_style_set_animated_value (GtkCssAnimatedStyle *animated,
     case GTK_CSS_PROPERTY_CARET_COLOR:
       unshare_font (animated);
       gtk_css_take_value (&style->font->caret_color, value);
+      if (style->font->caret_color)
+        style->font->_caret_color = *gtk_css_color_value_get_rgba (style->font->caret_color);
       break;
     case GTK_CSS_PROPERTY_SECONDARY_CARET_COLOR:
       unshare_font (animated);
       gtk_css_take_value (&style->font->secondary_caret_color, value);
+      if (style->font->secondary_caret_color)
+        style->font->_secondary_caret_color = *gtk_css_color_value_get_rgba 
(style->font->secondary_caret_color);
       break;
     case GTK_CSS_PROPERTY_FONT_FEATURE_SETTINGS:
       unshare_font (animated);
diff --git a/gtk/gtkcssboxesimplprivate.h b/gtk/gtkcssboxesimplprivate.h
index 01b046ee4e..d5c8361602 100644
--- a/gtk/gtkcssboxesimplprivate.h
+++ b/gtk/gtkcssboxesimplprivate.h
@@ -44,10 +44,10 @@ gtk_css_boxes_init (GtkCssBoxes *boxes,
 static inline void
 gtk_css_boxes_init_content_box (GtkCssBoxes *boxes,
                                 GtkCssStyle *style,
-                                double       x,
-                                double       y,
-                                double       width,
-                                double       height)
+                                float        x,
+                                float        y,
+                                float        width,
+                                float        height)
 {
   memset (boxes, 0, sizeof (GtkCssBoxes));
 
@@ -59,10 +59,10 @@ gtk_css_boxes_init_content_box (GtkCssBoxes *boxes,
 static inline void
 gtk_css_boxes_init_border_box (GtkCssBoxes *boxes,
                                GtkCssStyle *style,
-                               double       x,
-                               double       y,
-                               double       width,
-                               double       height)
+                               float        x,
+                               float        y,
+                               float        width,
+                               float        height)
 {
   memset (boxes, 0, sizeof (GtkCssBoxes));
 
@@ -74,70 +74,24 @@ gtk_css_boxes_init_border_box (GtkCssBoxes *boxes,
 static inline void
 gtk_css_boxes_rect_grow (GskRoundedRect *dest,
                          GskRoundedRect *src,
-                         GtkCssValue    *top,
-                         GtkCssValue    *right,
-                         GtkCssValue    *bottom,
-                         GtkCssValue    *left)
+                         const float     width[4])
 {
-  if (gtk_css_dimension_value_is_zero (left))
-    {
-      dest->bounds.origin.x = src->bounds.origin.x;
-      if (gtk_css_dimension_value_is_zero (right))
-        dest->bounds.size.width = src->bounds.size.width;
-      else
-        dest->bounds.size.width = src->bounds.size.width + _gtk_css_number_value_get (right, 100);
-    }
-  else
-    {
-      const double left_value = _gtk_css_number_value_get (left, 100);
-
-      dest->bounds.origin.x = src->bounds.origin.x - left_value;
-      if (gtk_css_dimension_value_is_zero (right))
-        dest->bounds.size.width = src->bounds.size.width + left_value;
-      else
-        dest->bounds.size.width = src->bounds.size.width + left_value + _gtk_css_number_value_get (right, 
100);
-
-    }
-
-
-  if (gtk_css_dimension_value_is_zero (top))
-    {
-      dest->bounds.origin.y = src->bounds.origin.y;
-      if (gtk_css_dimension_value_is_zero (bottom))
-        dest->bounds.size.height = src->bounds.size.height;
-      else
-        dest->bounds.size.height = src->bounds.size.height + _gtk_css_number_value_get (bottom, 100);
-    }
-  else
-    {
-      const double top_value = _gtk_css_number_value_get (top, 100);
-
-      dest->bounds.origin.y = src->bounds.origin.y - top_value;
-      if (gtk_css_dimension_value_is_zero (bottom))
-        dest->bounds.size.height = src->bounds.size.height + top_value;
-      else
-        dest->bounds.size.height = src->bounds.size.height + top_value + _gtk_css_number_value_get (bottom, 
100);
-    }
+  dest->bounds.origin.x = src->bounds.origin.x - width[GTK_CSS_LEFT];
+  dest->bounds.origin.y = src->bounds.origin.y - width[GTK_CSS_TOP];
+  dest->bounds.size.width = src->bounds.size.width + width[GTK_CSS_LEFT] + width[GTK_CSS_RIGHT];
+  dest->bounds.size.height = src->bounds.size.height + width[GTK_CSS_TOP] + width[GTK_CSS_BOTTOM];
 }
 
 static inline void
 gtk_css_boxes_rect_shrink (GskRoundedRect *dest,
                            GskRoundedRect *src,
-                           GtkCssValue    *top_value,
-                           GtkCssValue    *right_value,
-                           GtkCssValue    *bottom_value,
-                           GtkCssValue    *left_value)
+                           const float     width[4])
 {
-  double top = _gtk_css_number_value_get (top_value, 100);
-  double right = _gtk_css_number_value_get (right_value, 100);
-  double bottom = _gtk_css_number_value_get (bottom_value, 100);
-  double left = _gtk_css_number_value_get (left_value, 100);
-
   /* FIXME: Do we need underflow checks here? */
-  dest->bounds.origin.x = src->bounds.origin.x + left;
-  dest->bounds.origin.y = src->bounds.origin.y + top;
-  dest->bounds.size.width = src->bounds.size.width - left - right;
-  dest->bounds.size.height = src->bounds.size.height - top - bottom;
+  dest->bounds.origin.x = src->bounds.origin.x + width[GTK_CSS_LEFT];
+  dest->bounds.origin.y = src->bounds.origin.y + width[GTK_CSS_TOP];
+  dest->bounds.size.width = src->bounds.size.width - width[GTK_CSS_LEFT] - width[GTK_CSS_RIGHT];
+  dest->bounds.size.height = src->bounds.size.height - width[GTK_CSS_TOP] - width[GTK_CSS_BOTTOM];
 }
 
 static inline void gtk_css_boxes_compute_padding_rect (GtkCssBoxes *boxes);
@@ -170,10 +124,7 @@ gtk_css_boxes_compute_border_rect (GtkCssBoxes *boxes)
 
   gtk_css_boxes_rect_grow (&boxes->box[GTK_CSS_AREA_BORDER_BOX],
                            &boxes->box[GTK_CSS_AREA_PADDING_BOX],
-                           boxes->style->border->border_top_width,
-                           boxes->style->border->border_right_width,
-                           boxes->style->border->border_bottom_width,
-                           boxes->style->border->border_left_width);
+                           boxes->style->border->_border_width);
 
   boxes->has_rect[GTK_CSS_AREA_BORDER_BOX] = TRUE;
 }
@@ -188,19 +139,13 @@ gtk_css_boxes_compute_padding_rect (GtkCssBoxes *boxes)
     {
       gtk_css_boxes_rect_shrink (&boxes->box[GTK_CSS_AREA_PADDING_BOX],
                                  &boxes->box[GTK_CSS_AREA_BORDER_BOX],
-                                 boxes->style->border->border_top_width,
-                                 boxes->style->border->border_right_width,
-                                 boxes->style->border->border_bottom_width,
-                                 boxes->style->border->border_left_width);
+                                 boxes->style->border->_border_width);
     }
   else
     {
       gtk_css_boxes_rect_grow (&boxes->box[GTK_CSS_AREA_PADDING_BOX],
                                &boxes->box[GTK_CSS_AREA_CONTENT_BOX],
-                               boxes->style->size->padding_top,
-                               boxes->style->size->padding_right,
-                               boxes->style->size->padding_bottom,
-                               boxes->style->size->padding_left);
+                               boxes->style->size->_padding);
     }
 
   boxes->has_rect[GTK_CSS_AREA_PADDING_BOX] = TRUE;
@@ -216,10 +161,7 @@ gtk_css_boxes_compute_content_rect (GtkCssBoxes *boxes)
 
   gtk_css_boxes_rect_shrink (&boxes->box[GTK_CSS_AREA_CONTENT_BOX],
                              &boxes->box[GTK_CSS_AREA_PADDING_BOX],
-                             boxes->style->size->padding_top,
-                             boxes->style->size->padding_right,
-                             boxes->style->size->padding_bottom,
-                             boxes->style->size->padding_left);
+                             boxes->style->size->_padding);
 
   boxes->has_rect[GTK_CSS_AREA_CONTENT_BOX] = TRUE;
 }
@@ -234,10 +176,7 @@ gtk_css_boxes_compute_margin_rect (GtkCssBoxes *boxes)
 
   gtk_css_boxes_rect_grow (&boxes->box[GTK_CSS_AREA_MARGIN_BOX],
                            &boxes->box[GTK_CSS_AREA_BORDER_BOX],
-                           boxes->style->size->margin_top,
-                           boxes->style->size->margin_right,
-                           boxes->style->size->margin_bottom,
-                           boxes->style->size->margin_left);
+                           boxes->style->size->_margin);
 
   boxes->has_rect[GTK_CSS_AREA_MARGIN_BOX] = TRUE;
 }
@@ -246,7 +185,7 @@ static inline void
 gtk_css_boxes_compute_outline_rect (GtkCssBoxes *boxes)
 {
   graphene_rect_t *dest, *src;
-  double d;
+  float d;
 
   if (boxes->has_rect[GTK_CSS_AREA_OUTLINE_BOX])
     return;
@@ -256,8 +195,8 @@ gtk_css_boxes_compute_outline_rect (GtkCssBoxes *boxes)
   dest = &boxes->box[GTK_CSS_AREA_OUTLINE_BOX].bounds;
   src = &boxes->box[GTK_CSS_AREA_BORDER_BOX].bounds;
 
-  d = _gtk_css_number_value_get (boxes->style->outline->outline_offset, 100) +
-      _gtk_css_number_value_get (boxes->style->outline->outline_width, 100);
+  d = boxes->style->outline->_outline_offset +
+      boxes->style->outline->_outline_width;
 
   dest->origin.x = src->origin.x - d;
   dest->origin.y = src->origin.y - d;
@@ -311,8 +250,8 @@ gtk_css_boxes_get_outline_rect (GtkCssBoxes *boxes)
 static inline void
 gtk_css_boxes_clamp_border_radius (GskRoundedRect *box)
 {
-  double factor = 1.0;
-  double corners;
+  float factor = 1.0;
+  float corners;
 
   corners = box->corner[GSK_CORNER_TOP_LEFT].width + box->corner[GSK_CORNER_TOP_RIGHT].width;
   if (corners != 0)
@@ -341,52 +280,26 @@ gtk_css_boxes_clamp_border_radius (GskRoundedRect *box)
 }
 
 static inline void
-gtk_css_boxes_apply_border_radius (GskRoundedRect    *box,
-                                   const GtkCssValue *top_left,
-                                   const GtkCssValue *top_right,
-                                   const GtkCssValue *bottom_right,
-                                   const GtkCssValue *bottom_left)
+gtk_css_boxes_apply_border_radius (GskRoundedRect        *box,
+                                   const graphene_size_t  corner[4])
 {
-  gboolean has_border_radius = FALSE;
-
-  if (!gtk_css_corner_value_is_zero (top_left))
-    {
-      box->corner[GSK_CORNER_TOP_LEFT].width = _gtk_css_corner_value_get_x (top_left, 
box->bounds.size.width);
-      box->corner[GSK_CORNER_TOP_LEFT].height = _gtk_css_corner_value_get_y (top_left, 
box->bounds.size.height);
-      has_border_radius = TRUE;
-    }
-
-  if (!gtk_css_corner_value_is_zero (top_right))
-    {
-      box->corner[GSK_CORNER_TOP_RIGHT].width = _gtk_css_corner_value_get_x (top_right, 
box->bounds.size.width);
-      box->corner[GSK_CORNER_TOP_RIGHT].height = _gtk_css_corner_value_get_y (top_right, 
box->bounds.size.height);
-      has_border_radius = TRUE;
-    }
-
-  if (!gtk_css_corner_value_is_zero (bottom_right))
-    {
-      box->corner[GSK_CORNER_BOTTOM_RIGHT].width = _gtk_css_corner_value_get_x (bottom_right, 
box->bounds.size.width);
-      box->corner[GSK_CORNER_BOTTOM_RIGHT].height = _gtk_css_corner_value_get_y (bottom_right, 
box->bounds.size.height);
-      has_border_radius = TRUE;
-    }
-
-  if (!gtk_css_corner_value_is_zero (bottom_left))
+  memcpy (box->corner, corner, sizeof (graphene_size_t) * 4);
+  for (int i = 0; i < 4; i++)
     {
-      box->corner[GSK_CORNER_BOTTOM_LEFT].width = _gtk_css_corner_value_get_x (bottom_left, 
box->bounds.size.width);
-      box->corner[GSK_CORNER_BOTTOM_LEFT].height = _gtk_css_corner_value_get_y (bottom_left, 
box->bounds.size.height);
-      has_border_radius = TRUE;
+      if (corner[i].width != 0 || corner[i].height != 0)
+        {
+          gtk_css_boxes_clamp_border_radius (box);
+          break;
+        }
     }
-
-  if (has_border_radius)
-    gtk_css_boxes_clamp_border_radius (box);
 }
 
 /* NB: width and height must be >= 0 */
 static inline void
 gtk_css_boxes_shrink_border_radius (graphene_size_t       *dest,
                                     const graphene_size_t *src,
-                                    double                 width,
-                                    double                 height)
+                                    float                  width,
+                                    float                  height)
 {
   dest->width = src->width - width;
   dest->height = src->height - height;
@@ -402,10 +315,10 @@ static inline void
 gtk_css_boxes_shrink_corners (GskRoundedRect       *dest,
                               const GskRoundedRect *src)
 {
-  double top = dest->bounds.origin.y - src->bounds.origin.y;
-  double right = src->bounds.origin.x + src->bounds.size.width - dest->bounds.origin.x - 
dest->bounds.size.width;
-  double bottom = src->bounds.origin.y + src->bounds.size.height - dest->bounds.origin.y - 
dest->bounds.size.height;
-  double left = dest->bounds.origin.x - src->bounds.origin.x;
+  float top = dest->bounds.origin.y - src->bounds.origin.y;
+  float right = src->bounds.origin.x + src->bounds.size.width - dest->bounds.origin.x - 
dest->bounds.size.width;
+  float bottom = src->bounds.origin.y + src->bounds.size.height - dest->bounds.origin.y - 
dest->bounds.size.height;
+  float left = dest->bounds.origin.x - src->bounds.origin.x;
 
   gtk_css_boxes_shrink_border_radius (&dest->corner[GSK_CORNER_TOP_LEFT],
                                       &src->corner[GSK_CORNER_TOP_LEFT],
@@ -430,10 +343,7 @@ gtk_css_boxes_compute_border_box (GtkCssBoxes *boxes)
   gtk_css_boxes_compute_border_rect (boxes);
 
   gtk_css_boxes_apply_border_radius (&boxes->box[GTK_CSS_AREA_BORDER_BOX],
-                                     boxes->style->border->border_top_left_radius,
-                                     boxes->style->border->border_top_right_radius,
-                                     boxes->style->border->border_bottom_right_radius,
-                                     boxes->style->border->border_bottom_left_radius);
+                                     boxes->style->border->_border_radius);
 
   boxes->has_box[GTK_CSS_AREA_BORDER_BOX] = TRUE;
 }
@@ -473,7 +383,7 @@ gtk_css_boxes_compute_outline_box (GtkCssBoxes *boxes)
 {
   const GskRoundedRect *src;
   GskRoundedRect *dest;
-  double d;
+  float d;
   int i;
 
   if (boxes->has_box[GTK_CSS_AREA_OUTLINE_BOX])
@@ -484,8 +394,8 @@ gtk_css_boxes_compute_outline_box (GtkCssBoxes *boxes)
   src = &boxes->box[GTK_CSS_AREA_BORDER_BOX];
   dest = &boxes->box[GTK_CSS_AREA_OUTLINE_BOX];
 
-  d = _gtk_css_number_value_get (boxes->style->outline->outline_offset, 100) +
-      _gtk_css_number_value_get (boxes->style->outline->outline_width, 100);
+  d = boxes->style->outline->_outline_offset +
+      boxes->style->outline->_outline_width;
 
   /* Grow border rect into outline rect */
   dest->bounds.origin.x = src->bounds.origin.x - d;
diff --git a/gtk/gtkcssboxesprivate.h b/gtk/gtkcssboxesprivate.h
index 24a38ff0de..eae9f323c9 100644
--- a/gtk/gtkcssboxesprivate.h
+++ b/gtk/gtkcssboxesprivate.h
@@ -57,16 +57,16 @@ static inline void                      gtk_css_boxes_init
                                                                                  GtkWidget        *widget);
 static inline void                      gtk_css_boxes_init_content_box          (GtkCssBoxes      *boxes,
                                                                                  GtkCssStyle      *style,
-                                                                                 double            x,
-                                                                                 double            y,
-                                                                                 double            width,
-                                                                                 double            height);
+                                                                                 float             x,
+                                                                                 float             y,
+                                                                                 float             width,
+                                                                                 float             height);
 static inline void                      gtk_css_boxes_init_border_box           (GtkCssBoxes      *boxes,
                                                                                  GtkCssStyle      *style,
-                                                                                 double            x,
-                                                                                 double            y,
-                                                                                 double            width,
-                                                                                 double            height);
+                                                                                 float             x,
+                                                                                 float             y,
+                                                                                 float             width,
+                                                                                 float             height);
 
 static inline const graphene_rect_t *   gtk_css_boxes_get_rect                  (GtkCssBoxes      *boxes,
                                                                                  GtkCssArea        area);
diff --git a/gtk/gtkcssenumvalue.c b/gtk/gtkcssenumvalue.c
index dfb7a0d394..32d93ada21 100644
--- a/gtk/gtkcssenumvalue.c
+++ b/gtk/gtkcssenumvalue.c
@@ -197,12 +197,6 @@ _gtk_css_blend_mode_value_get (const GtkCssValue *value)
 
 /* GtkCssFontSize */
 
-static double
-get_dpi (GtkCssStyle *style)
-{
-  return _gtk_css_number_value_get (style->core->dpi, 96);
-}
-
 /* XXX: Kinda bad to have that machinery here, nobody expects vital font
  * size code to appear in gtkcssvalueenum.c.
  */
@@ -217,15 +211,15 @@ gtk_css_font_size_get_default_px (GtkStyleProvider *provider,
 
   settings = gtk_style_provider_get_settings (provider);
   if (settings == NULL)
-    return DEFAULT_FONT_SIZE_PT * get_dpi (style) / 72.0;
+    return DEFAULT_FONT_SIZE_PT * style->core->_dpi / 72.0;
 
   font_size = gtk_settings_get_font_size (settings);
   if (font_size == 0)
-    return DEFAULT_FONT_SIZE_PT * get_dpi (style) / 72.0;
+    return DEFAULT_FONT_SIZE_PT * style->core->_dpi / 72.0;
   else if (gtk_settings_get_font_size_is_absolute (settings))
     return (double) font_size / PANGO_SCALE;
   else
-    return ((double) font_size / PANGO_SCALE) * get_dpi (style) / 72.0;
+    return ((double) font_size / PANGO_SCALE) * style->core->_dpi / 72.0;
 }
 
 static GtkCssValue *
diff --git a/gtk/gtkcssimagerecolor.c b/gtk/gtkcssimagerecolor.c
index d640f8aaa9..4f635b4ec4 100644
--- a/gtk/gtkcssimagerecolor.c
+++ b/gtk/gtkcssimagerecolor.c
@@ -72,7 +72,7 @@ lookup_symbolic_colors (GtkCssStyle *style,
 {
   const GdkRGBA *lookup;
 
-  *color_out = *gtk_css_color_value_get_rgba (style->core->color);
+  *color_out = style->core->_color;
 
   lookup = gtk_css_palette_value_get_color (palette, "success");
   if (lookup)
diff --git a/gtk/gtkcssnumbervalue.c b/gtk/gtkcssnumbervalue.c
index cd8c942c01..e6644c2ff6 100644
--- a/gtk/gtkcssnumbervalue.c
+++ b/gtk/gtkcssnumbervalue.c
@@ -88,12 +88,6 @@ gtk_css_value_number_free (GtkCssValue *number)
     }
 }
 
-static double
-get_dpi (GtkCssStyle *style)
-{
-  return _gtk_css_number_value_get (style->core->dpi, 96);
-}
-
 static double
 get_base_font_size_px (guint             property_id,
                        GtkStyleProvider *provider,
@@ -103,12 +97,12 @@ get_base_font_size_px (guint             property_id,
   if (property_id == GTK_CSS_PROPERTY_FONT_SIZE)
     {
       if (parent_style)
-        return _gtk_css_number_value_get (parent_style->core->font_size, 100);
+        return parent_style->core->_font_size;
       else
         return gtk_css_font_size_get_default_px (provider, style);
     }
 
-  return _gtk_css_number_value_get (style->core->font_size, 100);
+  return style->core->_font_size;
 }
 
 static GtkCssValue *
@@ -172,19 +166,19 @@ gtk_css_value_number_compute (GtkCssValue      *number,
     case GTK_CSS_S:
       return _gtk_css_value_ref (number);
     case GTK_CSS_PT:
-      return gtk_css_dimension_value_new (value * get_dpi (style) / 72.0,
+      return gtk_css_dimension_value_new (value * style->core->_dpi / 72.0,
                                           GTK_CSS_PX);
     case GTK_CSS_PC:
-      return gtk_css_dimension_value_new (value * get_dpi (style) / 72.0 * 12.0,
+      return gtk_css_dimension_value_new (value * style->core->_dpi / 72.0 * 12.0,
                                           GTK_CSS_PX);
     case GTK_CSS_IN:
-      return gtk_css_dimension_value_new (value * get_dpi (style),
+      return gtk_css_dimension_value_new (value * style->core->_dpi,
                                           GTK_CSS_PX);
     case GTK_CSS_CM:
-      return gtk_css_dimension_value_new (value * get_dpi (style) * 0.39370078740157477,
+      return gtk_css_dimension_value_new (value * style->core->_dpi * 0.39370078740157477,
                                           GTK_CSS_PX);
     case GTK_CSS_MM:
-      return gtk_css_dimension_value_new (value * get_dpi (style) * 0.039370078740157477,
+      return gtk_css_dimension_value_new (value * style->core->_dpi * 0.039370078740157477,
                                           GTK_CSS_PX);
     case GTK_CSS_EM:
       return gtk_css_dimension_value_new (value *
diff --git a/gtk/gtkcssstaticstyle.c b/gtk/gtkcssstaticstyle.c
index ba7d2ff958..4509c773b7 100644
--- a/gtk/gtkcssstaticstyle.c
+++ b/gtk/gtkcssstaticstyle.c
@@ -23,6 +23,10 @@
 
 #include "gtkcssanimationprivate.h"
 #include "gtkcssarrayvalueprivate.h"
+#include "gtkcsscolorvalueprivate.h"
+#include "gtkcsscornervalueprivate.h"
+#include "gtkcssenumvalueprivate.h"
+#include "gtkcsspositionvalueprivate.h"
 #include "gtkcssenumvalueprivate.h"
 #include "gtkcssinheritvalueprivate.h"
 #include "gtkcssinitialvalueprivate.h"
@@ -38,6 +42,7 @@
 #include "gtkstylepropertyprivate.h"
 #include "gtkstyleproviderprivate.h"
 #include "gtkcssdimensionvalueprivate.h"
+#include "gtkcsslineheightvalueprivate.h"
 
 static void gtk_css_static_style_compute_value (GtkCssStaticStyle *style,
                                                 GtkStyleProvider  *provider,
@@ -221,6 +226,7 @@ static GtkBitmask * gtk_css_ ## NAME ## _values_mask; \
 static GtkCssValues * gtk_css_ ## NAME ## _initial_values; \
 \
 static GtkCssValues * gtk_css_ ## NAME ## _create_initial_values (void); \
+void gtk_css_ ## NAME ## _values_unbox (GtkCss ## TYPE ## Values *values); \
 \
 static void \
 gtk_css_ ## NAME ## _values_init (void) \
@@ -234,6 +240,8 @@ gtk_css_ ## NAME ## _values_init (void) \
     } \
 \
   gtk_css_ ## NAME ## _initial_values = gtk_css_ ## NAME ## _create_initial_values (); \
+  if (gtk_css_ ## NAME ## _initial_values) \
+    gtk_css_ ## NAME ## _values_unbox ((GtkCss ## TYPE ## Values *) gtk_css_ ## NAME ## _initial_values); \
 } \
 \
 static inline gboolean \
@@ -391,69 +399,90 @@ gtk_css_static_style_set_value (GtkCssStaticStyle *sstyle,
     {
     case GTK_CSS_PROPERTY_COLOR:
       gtk_css_take_value (&style->core->color, value);
+      style->core->_color = *gtk_css_color_value_get_rgba (style->core->color);
       break;
     case GTK_CSS_PROPERTY_DPI:
       gtk_css_take_value (&style->core->dpi, value);
+      style->core->_dpi = _gtk_css_number_value_get (style->core->dpi, 96);
       break;
     case GTK_CSS_PROPERTY_FONT_SIZE:
       gtk_css_take_value (&style->core->font_size, value);
+      style->core->_font_size = _gtk_css_number_value_get (style->core->font_size, 100);
       break;
     case GTK_CSS_PROPERTY_ICON_PALETTE:
       gtk_css_take_value (&style->core->icon_palette, value);
       break;
     case GTK_CSS_PROPERTY_BACKGROUND_COLOR:
       gtk_css_take_value (&style->background->background_color, value);
+      style->background->_background_color = *gtk_css_color_value_get_rgba 
(style->background->background_color);
       break;
     case GTK_CSS_PROPERTY_FONT_FAMILY:
       gtk_css_take_value (&style->font->font_family, value);
       break;
     case GTK_CSS_PROPERTY_FONT_STYLE:
       gtk_css_take_value (&style->font->font_style, value);
+      style->font->_font_style = _gtk_css_font_style_value_get (style->font->font_style);
       break;
     case GTK_CSS_PROPERTY_FONT_WEIGHT:
       gtk_css_take_value (&style->font->font_weight, value);
+      style->font->_font_weight = _gtk_css_number_value_get (style->font->font_weight, 100);
       break;
     case GTK_CSS_PROPERTY_FONT_STRETCH:
       gtk_css_take_value (&style->font->font_stretch, value);
+      style->font->_font_stretch = _gtk_css_font_stretch_value_get (style->font->font_stretch);
       break;
     case GTK_CSS_PROPERTY_LETTER_SPACING:
       gtk_css_take_value (&style->font->letter_spacing, value);
+      style->font->_letter_spacing = _gtk_css_number_value_get (style->font->letter_spacing, 100);
       break;
     case GTK_CSS_PROPERTY_LINE_HEIGHT:
       gtk_css_take_value (&style->font->line_height, value);
+      style->font->_line_height = gtk_css_line_height_value_get (style->font->line_height);
       break;
     case GTK_CSS_PROPERTY_TEXT_DECORATION_LINE:
       gtk_css_take_value (&style->font_variant->text_decoration_line, value);
+      style->font_variant->_text_decoration_line = _gtk_css_text_decoration_line_value_get 
(style->font_variant->text_decoration_line);
       break;
     case GTK_CSS_PROPERTY_TEXT_DECORATION_COLOR:
       gtk_css_take_value (&style->font_variant->text_decoration_color, value);
+      if (style->font_variant->text_decoration_color)
+        style->font_variant->_text_decoration_color = *gtk_css_color_value_get_rgba 
(style->font_variant->text_decoration_color);
       break;
     case GTK_CSS_PROPERTY_TEXT_DECORATION_STYLE:
       gtk_css_take_value (&style->font_variant->text_decoration_style, value);
+      style->font_variant->_text_decoration_style = _gtk_css_text_decoration_style_value_get 
(style->font_variant->text_decoration_style);
       break;
     case GTK_CSS_PROPERTY_TEXT_TRANSFORM:
       gtk_css_take_value (&style->font_variant->text_transform, value);
+      style->font_variant->_text_transform = _gtk_css_text_transform_value_get 
(style->font_variant->text_transform);
       break;
     case GTK_CSS_PROPERTY_FONT_KERNING:
       gtk_css_take_value (&style->font_variant->font_kerning, value);
+      style->font_variant->_font_kerning = _gtk_css_font_kerning_value_get 
(style->font_variant->font_kerning);
       break;
     case GTK_CSS_PROPERTY_FONT_VARIANT_LIGATURES:
       gtk_css_take_value (&style->font_variant->font_variant_ligatures, value);
+      style->font_variant->_font_variant_ligatures = _gtk_css_font_variant_ligature_value_get 
(style->font_variant->font_variant_ligatures);
       break;
     case GTK_CSS_PROPERTY_FONT_VARIANT_POSITION:
       gtk_css_take_value (&style->font_variant->font_variant_position, value);
+      style->font_variant->_font_variant_position = _gtk_css_font_variant_position_value_get 
(style->font_variant->font_variant_position);
       break;
     case GTK_CSS_PROPERTY_FONT_VARIANT_CAPS:
       gtk_css_take_value (&style->font_variant->font_variant_caps, value);
+      style->font_variant->_font_variant_caps = _gtk_css_font_variant_caps_value_get 
(style->font_variant->font_variant_caps);
       break;
     case GTK_CSS_PROPERTY_FONT_VARIANT_NUMERIC:
       gtk_css_take_value (&style->font_variant->font_variant_numeric, value);
+      style->font_variant->_font_variant_numeric = _gtk_css_font_variant_numeric_value_get 
(style->font_variant->font_variant_numeric);
       break;
     case GTK_CSS_PROPERTY_FONT_VARIANT_ALTERNATES:
       gtk_css_take_value (&style->font_variant->font_variant_alternates, value);
+      style->font_variant->_font_variant_alternates = _gtk_css_font_variant_alternate_value_get 
(style->font_variant->font_variant_alternates);
       break;
     case GTK_CSS_PROPERTY_FONT_VARIANT_EAST_ASIAN:
       gtk_css_take_value (&style->font_variant->font_variant_east_asian, value);
+      style->font_variant->_font_variant_east_asian = _gtk_css_font_variant_east_asian_value_get 
(style->font_variant->font_variant_east_asian);
       break;
     case GTK_CSS_PROPERTY_TEXT_SHADOW:
       gtk_css_take_value (&style->font->text_shadow, value);
@@ -463,72 +492,99 @@ gtk_css_static_style_set_value (GtkCssStaticStyle *sstyle,
       break;
     case GTK_CSS_PROPERTY_MARGIN_TOP:
       gtk_css_take_value (&style->size->margin_top, value);
+      style->size->_margin[GTK_CSS_TOP] = _gtk_css_number_value_get (style->size->margin_top, 100);
       break;
-    case GTK_CSS_PROPERTY_MARGIN_LEFT:
-      gtk_css_take_value (&style->size->margin_left, value);
+    case GTK_CSS_PROPERTY_MARGIN_RIGHT:
+      gtk_css_take_value (&style->size->margin_right, value);
+      style->size->_margin[GTK_CSS_RIGHT] = _gtk_css_number_value_get (style->size->margin_right, 100);
       break;
     case GTK_CSS_PROPERTY_MARGIN_BOTTOM:
       gtk_css_take_value (&style->size->margin_bottom, value);
+      style->size->_margin[GTK_CSS_BOTTOM] = _gtk_css_number_value_get (style->size->margin_bottom, 100);
       break;
-    case GTK_CSS_PROPERTY_MARGIN_RIGHT:
-      gtk_css_take_value (&style->size->margin_right, value);
+    case GTK_CSS_PROPERTY_MARGIN_LEFT:
+      gtk_css_take_value (&style->size->margin_left, value);
+      style->size->_margin[GTK_CSS_LEFT] = _gtk_css_number_value_get (style->size->margin_left, 100);
       break;
     case GTK_CSS_PROPERTY_PADDING_TOP:
       gtk_css_take_value (&style->size->padding_top, value);
+      style->size->_padding[GTK_CSS_TOP] = _gtk_css_number_value_get (style->size->padding_top, 100);
       break;
-    case GTK_CSS_PROPERTY_PADDING_LEFT:
-      gtk_css_take_value (&style->size->padding_left, value);
+    case GTK_CSS_PROPERTY_PADDING_RIGHT:
+      gtk_css_take_value (&style->size->padding_right, value);
+      style->size->_padding[GTK_CSS_RIGHT] = _gtk_css_number_value_get (style->size->padding_right, 100);
       break;
     case GTK_CSS_PROPERTY_PADDING_BOTTOM:
       gtk_css_take_value (&style->size->padding_bottom, value);
+      style->size->_padding[GTK_CSS_BOTTOM] = _gtk_css_number_value_get (style->size->padding_bottom, 100);
       break;
-    case GTK_CSS_PROPERTY_PADDING_RIGHT:
-      gtk_css_take_value (&style->size->padding_right, value);
+    case GTK_CSS_PROPERTY_PADDING_LEFT:
+      gtk_css_take_value (&style->size->padding_left, value);
+      style->size->_padding[GTK_CSS_LEFT] = _gtk_css_number_value_get (style->size->padding_left, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_TOP_STYLE:
       gtk_css_take_value (&style->border->border_top_style, value);
+      style->border->_border_style[GTK_CSS_TOP] = _gtk_css_border_style_value_get 
(style->border->border_top_style);
       break;
     case GTK_CSS_PROPERTY_BORDER_TOP_WIDTH:
       gtk_css_take_value (&style->border->border_top_width, value);
+      style->border->_border_width[GTK_CSS_TOP] = _gtk_css_number_value_get 
(style->border->border_top_width, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_LEFT_STYLE:
       gtk_css_take_value (&style->border->border_left_style, value);
+      style->border->_border_style[GTK_CSS_LEFT] = _gtk_css_border_style_value_get 
(style->border->border_left_style);
       break;
     case GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH:
       gtk_css_take_value (&style->border->border_left_width, value);
+      style->border->_border_width[GTK_CSS_LEFT] = _gtk_css_number_value_get 
(style->border->border_left_width, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE:
       gtk_css_take_value (&style->border->border_bottom_style, value);
+      style->border->_border_style[GTK_CSS_BOTTOM] = _gtk_css_border_style_value_get 
(style->border->border_bottom_style);
       break;
     case GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH:
       gtk_css_take_value (&style->border->border_bottom_width, value);
+      style->border->_border_width[GTK_CSS_BOTTOM] = _gtk_css_number_value_get 
(style->border->border_bottom_width, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE:
       gtk_css_take_value (&style->border->border_right_style, value);
+      style->border->_border_style[GTK_CSS_RIGHT] = _gtk_css_border_style_value_get 
(style->border->border_right_style);
       break;
     case GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH:
       gtk_css_take_value (&style->border->border_right_width, value);
+      style->border->_border_width[GTK_CSS_RIGHT] = _gtk_css_number_value_get 
(style->border->border_right_width, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS:
       gtk_css_take_value (&style->border->border_top_left_radius, value);
+      style->border->_border_radius[GTK_CSS_TOP_LEFT].width = _gtk_css_corner_value_get_x 
(style->border->border_top_left_radius, 100);
+      style->border->_border_radius[GTK_CSS_TOP_LEFT].height = _gtk_css_corner_value_get_y 
(style->border->border_top_left_radius, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_TOP_RIGHT_RADIUS:
       gtk_css_take_value (&style->border->border_top_right_radius, value);
+      style->border->_border_radius[GTK_CSS_TOP_RIGHT].width = _gtk_css_corner_value_get_x 
(style->border->border_top_right_radius, 100);
+      style->border->_border_radius[GTK_CSS_TOP_RIGHT].height = _gtk_css_corner_value_get_y 
(style->border->border_top_right_radius, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_BOTTOM_RIGHT_RADIUS:
       gtk_css_take_value (&style->border->border_bottom_right_radius, value);
+      style->border->_border_radius[GTK_CSS_BOTTOM_RIGHT].width = _gtk_css_corner_value_get_x 
(style->border->border_bottom_right_radius, 100);
+      style->border->_border_radius[GTK_CSS_BOTTOM_RIGHT].height = _gtk_css_corner_value_get_y 
(style->border->border_bottom_right_radius, 100);
       break;
     case GTK_CSS_PROPERTY_BORDER_BOTTOM_LEFT_RADIUS:
       gtk_css_take_value (&style->border->border_bottom_left_radius, value);
+      style->border->_border_radius[GTK_CSS_BOTTOM_LEFT].width = _gtk_css_corner_value_get_x 
(style->border->border_bottom_left_radius, 100);
+      style->border->_border_radius[GTK_CSS_BOTTOM_LEFT].height = _gtk_css_corner_value_get_y 
(style->border->border_bottom_left_radius, 100);
       break;
     case GTK_CSS_PROPERTY_OUTLINE_STYLE:
       gtk_css_take_value (&style->outline->outline_style, value);
+      style->outline->_outline_style = _gtk_css_border_style_value_get (style->outline->outline_style);
       break;
     case GTK_CSS_PROPERTY_OUTLINE_WIDTH:
       gtk_css_take_value (&style->outline->outline_width, value);
+      style->outline->_outline_width = _gtk_css_number_value_get (style->outline->outline_width, 100);
       break;
     case GTK_CSS_PROPERTY_OUTLINE_OFFSET:
       gtk_css_take_value (&style->outline->outline_offset, value);
+      style->outline->_outline_offset = _gtk_css_number_value_get (style->outline->outline_offset, 100);
       break;
     case GTK_CSS_PROPERTY_BACKGROUND_CLIP:
       gtk_css_take_value (&style->background->background_clip, value);
@@ -544,18 +600,28 @@ gtk_css_static_style_set_value (GtkCssStaticStyle *sstyle,
       break;
     case GTK_CSS_PROPERTY_BORDER_TOP_COLOR:
       gtk_css_take_value (&style->border->border_top_color, value);
+      if (style->border->border_top_color)
+        style->border->_border_color[GTK_CSS_TOP] = *gtk_css_color_value_get_rgba 
(style->border->border_top_color);
       break;
     case GTK_CSS_PROPERTY_BORDER_RIGHT_COLOR:
       gtk_css_take_value (&style->border->border_right_color, value);
+      if (style->border->border_right_color)
+        style->border->_border_color[GTK_CSS_RIGHT] = *gtk_css_color_value_get_rgba 
(style->border->border_right_color);
       break;
     case GTK_CSS_PROPERTY_BORDER_BOTTOM_COLOR:
       gtk_css_take_value (&style->border->border_bottom_color, value);
+      if (style->border->border_bottom_color)
+        style->border->_border_color[GTK_CSS_BOTTOM] = *gtk_css_color_value_get_rgba 
(style->border->border_bottom_color);
       break;
     case GTK_CSS_PROPERTY_BORDER_LEFT_COLOR:
       gtk_css_take_value (&style->border->border_left_color, value);
+      if (style->border->border_left_color)
+        style->border->_border_color[GTK_CSS_LEFT] = *gtk_css_color_value_get_rgba 
(style->border->border_left_color);
       break;
     case GTK_CSS_PROPERTY_OUTLINE_COLOR:
       gtk_css_take_value (&style->outline->outline_color, value);
+      if (style->outline->outline_color)
+        style->outline->_outline_color = *gtk_css_color_value_get_rgba (style->outline->outline_color);
       break;
     case GTK_CSS_PROPERTY_BACKGROUND_REPEAT:
       gtk_css_take_value (&style->background->background_repeat, value);
@@ -583,12 +649,14 @@ gtk_css_static_style_set_value (GtkCssStaticStyle *sstyle,
       break;
     case GTK_CSS_PROPERTY_ICON_SIZE:
       gtk_css_take_value (&style->icon->icon_size, value);
+      style->icon->_icon_size = _gtk_css_number_value_get (style->icon->icon_size, 100);
       break;
     case GTK_CSS_PROPERTY_ICON_SHADOW:
       gtk_css_take_value (&style->icon->icon_shadow, value);
       break;
     case GTK_CSS_PROPERTY_ICON_STYLE:
       gtk_css_take_value (&style->icon->icon_style, value);
+      style->icon->_icon_style = _gtk_css_icon_style_value_get (style->icon->icon_style);
       break;
     case GTK_CSS_PROPERTY_ICON_TRANSFORM:
       gtk_css_take_value (&style->other->icon_transform, value);
@@ -598,6 +666,8 @@ gtk_css_static_style_set_value (GtkCssStaticStyle *sstyle,
       break;
     case GTK_CSS_PROPERTY_BORDER_SPACING:
       gtk_css_take_value (&style->size->border_spacing, value);
+      style->size->_border_spacing[GTK_ORIENTATION_HORIZONTAL] = _gtk_css_position_value_get_x 
(style->size->border_spacing, 100);
+      style->size->_border_spacing[GTK_ORIENTATION_VERTICAL] = _gtk_css_position_value_get_y 
(style->size->border_spacing, 100);
       break;
     case GTK_CSS_PROPERTY_TRANSFORM:
       gtk_css_take_value (&style->other->transform, value);
@@ -607,9 +677,11 @@ gtk_css_static_style_set_value (GtkCssStaticStyle *sstyle,
       break;
     case GTK_CSS_PROPERTY_MIN_WIDTH:
       gtk_css_take_value (&style->size->min_width, value);
+      style->size->_min_size[GTK_ORIENTATION_HORIZONTAL] = _gtk_css_number_value_get 
(style->size->min_width, 100);
       break;
     case GTK_CSS_PROPERTY_MIN_HEIGHT:
       gtk_css_take_value (&style->size->min_height, value);
+      style->size->_min_size[GTK_ORIENTATION_VERTICAL] = _gtk_css_number_value_get (style->size->min_height, 
100);
       break;
     case GTK_CSS_PROPERTY_TRANSITION_PROPERTY:
       gtk_css_take_value (&style->transition->transition_property, value);
@@ -655,9 +727,13 @@ gtk_css_static_style_set_value (GtkCssStaticStyle *sstyle,
       break;
     case GTK_CSS_PROPERTY_CARET_COLOR:
       gtk_css_take_value (&style->font->caret_color, value);
+      if (style->font->caret_color)
+        style->font->_caret_color = *gtk_css_color_value_get_rgba (style->font->caret_color);
       break;
     case GTK_CSS_PROPERTY_SECONDARY_CARET_COLOR:
       gtk_css_take_value (&style->font->secondary_caret_color, value);
+      if (style->font->secondary_caret_color)
+        style->font->_secondary_caret_color = *gtk_css_color_value_get_rgba 
(style->font->secondary_caret_color);
       break;
     case GTK_CSS_PROPERTY_FONT_FEATURE_SETTINGS:
       gtk_css_take_value (&style->font->font_feature_settings, value);
@@ -726,6 +802,15 @@ gtk_css_core_create_initial_values (void)
   return NULL;
 
 }
+
+void
+gtk_css_core_values_unbox (GtkCssCoreValues *values)
+{
+  values->_color = *gtk_css_color_value_get_rgba (values->color);
+  values->_dpi = _gtk_css_number_value_get (values->dpi, 96);
+  values->_font_size = _gtk_css_number_value_get (values->font_size, 100);
+}
+
 static GtkCssValues *
 gtk_css_background_create_initial_values (void)
 {
@@ -746,6 +831,12 @@ gtk_css_background_create_initial_values (void)
   return (GtkCssValues *)values;
 }
 
+void
+gtk_css_background_values_unbox (GtkCssBackgroundValues *values)
+{
+  values->_background_color = *gtk_css_color_value_get_rgba (values->background_color);
+}
+
 static GtkCssValues *
 gtk_css_border_create_initial_values (void)
 {
@@ -777,6 +868,35 @@ gtk_css_border_create_initial_values (void)
   return (GtkCssValues *)values;
 }
 
+void
+gtk_css_border_values_unbox (GtkCssBorderValues *values)
+{
+  values->_border_style[GTK_CSS_TOP] = _gtk_css_border_style_value_get (values->border_top_style);
+  values->_border_style[GTK_CSS_RIGHT] = _gtk_css_border_style_value_get (values->border_right_style);
+  values->_border_style[GTK_CSS_BOTTOM] = _gtk_css_border_style_value_get (values->border_bottom_style);
+  values->_border_style[GTK_CSS_LEFT] = _gtk_css_border_style_value_get (values->border_left_style);
+  values->_border_width[GTK_CSS_TOP] = _gtk_css_number_value_get (values->border_top_width, 100);
+  values->_border_width[GTK_CSS_RIGHT] = _gtk_css_number_value_get (values->border_right_width, 100);
+  values->_border_width[GTK_CSS_BOTTOM] = _gtk_css_number_value_get (values->border_bottom_width, 100);
+  values->_border_width[GTK_CSS_LEFT] = _gtk_css_number_value_get (values->border_left_width, 100);
+  values->_border_radius[GTK_CSS_TOP_LEFT].width = _gtk_css_corner_value_get_x 
(values->border_top_left_radius, 100);
+  values->_border_radius[GTK_CSS_TOP_LEFT].height = _gtk_css_corner_value_get_y 
(values->border_top_left_radius, 100);
+  values->_border_radius[GTK_CSS_TOP_RIGHT].width = _gtk_css_corner_value_get_x 
(values->border_top_right_radius, 100);
+  values->_border_radius[GTK_CSS_TOP_RIGHT].height = _gtk_css_corner_value_get_y 
(values->border_top_right_radius, 100);
+  values->_border_radius[GTK_CSS_BOTTOM_RIGHT].width = _gtk_css_corner_value_get_x 
(values->border_bottom_right_radius, 100);
+  values->_border_radius[GTK_CSS_BOTTOM_RIGHT].height = _gtk_css_corner_value_get_y 
(values->border_bottom_right_radius, 100);
+  values->_border_radius[GTK_CSS_BOTTOM_LEFT].width = _gtk_css_corner_value_get_x 
(values->border_bottom_left_radius, 100);
+  values->_border_radius[GTK_CSS_BOTTOM_LEFT].height = _gtk_css_corner_value_get_y 
(values->border_bottom_left_radius, 100);
+  if (values->border_top_color)
+    values->_border_color[GTK_CSS_TOP] = *gtk_css_color_value_get_rgba (values->border_top_color);
+  if (values->border_right_color)
+    values->_border_color[GTK_CSS_RIGHT] = *gtk_css_color_value_get_rgba (values->border_right_color);
+  if (values->border_bottom_color)
+    values->_border_color[GTK_CSS_BOTTOM] = *gtk_css_color_value_get_rgba (values->border_bottom_color);
+  if (values->border_left_color)
+    values->_border_color[GTK_CSS_LEFT] = *gtk_css_color_value_get_rgba (values->border_left_color);
+}
+
 static GtkCssValues *
 gtk_css_outline_create_initial_values (void)
 {
@@ -792,18 +912,49 @@ gtk_css_outline_create_initial_values (void)
   return (GtkCssValues *)values;
 }
 
+void
+gtk_css_outline_values_unbox (GtkCssOutlineValues *values)
+{
+  values->_outline_style = _gtk_css_border_style_value_get (values->outline_style);
+  values->_outline_width = _gtk_css_number_value_get (values->outline_width, 100);
+  values->_outline_offset = _gtk_css_number_value_get (values->outline_offset, 100);
+  if (values->outline_color)
+    values->_outline_color = *gtk_css_color_value_get_rgba (values->outline_color);
+}
+
 static GtkCssValues *
 gtk_css_icon_create_initial_values (void)
 {
   return NULL;
 }
 
+void
+gtk_css_icon_values_unbox (GtkCssIconValues *values)
+{
+  values->_icon_size = _gtk_css_number_value_get (values->icon_size, 100);
+  values->_icon_style = _gtk_css_icon_style_value_get (values->icon_style);
+}
+
 static GtkCssValues *
 gtk_css_font_create_initial_values (void)
 {
   return NULL;
 }
 
+void
+gtk_css_font_values_unbox (GtkCssFontValues *values)
+{
+  values->_font_style = _gtk_css_font_style_value_get (values->font_style);
+  values->_font_weight = _gtk_css_number_value_get (values->font_weight, 100);
+  values->_font_stretch = _gtk_css_font_stretch_value_get (values->font_stretch);
+  values->_letter_spacing = _gtk_css_number_value_get (values->letter_spacing, 100);
+  values->_line_height = gtk_css_line_height_value_get (values->line_height);
+  if (values->caret_color)
+    values->_caret_color = *gtk_css_color_value_get_rgba (values->caret_color);
+  if (values->secondary_caret_color)
+    values->_secondary_caret_color = *gtk_css_color_value_get_rgba (values->secondary_caret_color);
+}
+
 static GtkCssValues *
 gtk_css_font_variant_create_initial_values (void)
 {
@@ -826,6 +977,23 @@ gtk_css_font_variant_create_initial_values (void)
   return (GtkCssValues *)values;
 }
 
+void
+gtk_css_font_variant_values_unbox (GtkCssFontVariantValues *values)
+{
+  values->_text_decoration_line = _gtk_css_text_decoration_line_value_get (values->text_decoration_line);
+  if (values->text_decoration_color)
+    values->_text_decoration_color = *gtk_css_color_value_get_rgba (values->text_decoration_color);
+  values->_text_decoration_style = _gtk_css_text_decoration_style_value_get (values->text_decoration_style);
+  values->_text_transform = _gtk_css_text_transform_value_get (values->text_transform);
+  values->_font_kerning = _gtk_css_font_kerning_value_get (values->font_kerning);
+  values->_font_variant_ligatures = _gtk_css_font_variant_ligature_value_get 
(values->font_variant_ligatures);
+  values->_font_variant_position = _gtk_css_font_variant_position_value_get (values->font_variant_position);
+  values->_font_variant_caps = _gtk_css_font_variant_caps_value_get (values->font_variant_caps);
+  values->_font_variant_numeric = _gtk_css_font_variant_numeric_value_get (values->font_variant_numeric);
+  values->_font_variant_alternates = _gtk_css_font_variant_alternate_value_get 
(values->font_variant_alternates);
+  values->_font_variant_east_asian = _gtk_css_font_variant_east_asian_value_get 
(values->font_variant_east_asian);
+}
+
 static GtkCssValues *
 gtk_css_animation_create_initial_values (void)
 {
@@ -845,6 +1013,11 @@ gtk_css_animation_create_initial_values (void)
   return (GtkCssValues *)values;
 }
 
+void
+gtk_css_animation_values_unbox (GtkCssAnimationValues *values)
+{
+}
+
 static GtkCssValues *
 gtk_css_transition_create_initial_values (void)
 {
@@ -860,6 +1033,11 @@ gtk_css_transition_create_initial_values (void)
   return (GtkCssValues *)values;
 }
 
+void
+gtk_css_transition_values_unbox (GtkCssTransitionValues *values)
+{
+}
+
 static GtkCssValues *
 gtk_css_size_create_initial_values (void)
 {
@@ -868,13 +1046,13 @@ gtk_css_size_create_initial_values (void)
   values = (GtkCssSizeValues *)gtk_css_values_new (GTK_CSS_SIZE_INITIAL_VALUES);
 
   values->margin_top = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_MARGIN_TOP, NULL, NULL, NULL);
-  values->margin_left = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_MARGIN_LEFT, NULL, NULL, NULL);
-  values->margin_bottom = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_MARGIN_BOTTOM, NULL, NULL, 
NULL);
   values->margin_right = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_MARGIN_RIGHT, NULL, NULL, 
NULL);
+  values->margin_bottom = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_MARGIN_BOTTOM, NULL, NULL, 
NULL);
+  values->margin_left = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_MARGIN_LEFT, NULL, NULL, NULL);
   values->padding_top = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_PADDING_TOP, NULL, NULL, NULL);
-  values->padding_left = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_PADDING_LEFT, NULL, NULL, 
NULL);
-  values->padding_bottom = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_PADDING_BOTTOM, NULL, NULL, 
NULL);
   values->padding_right = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_PADDING_RIGHT, NULL, NULL, 
NULL);
+  values->padding_bottom = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_PADDING_BOTTOM, NULL, NULL, 
NULL);
+  values->padding_left = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_PADDING_LEFT, NULL, NULL, 
NULL);
   values->border_spacing = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_BORDER_SPACING, NULL, NULL, 
NULL);
   values->min_width = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_MIN_WIDTH, NULL, NULL, NULL);
   values->min_height = _gtk_css_initial_value_new_compute (GTK_CSS_PROPERTY_MIN_HEIGHT, NULL, NULL, NULL);
@@ -882,6 +1060,23 @@ gtk_css_size_create_initial_values (void)
   return (GtkCssValues *)values;
 }
 
+void
+gtk_css_size_values_unbox (GtkCssSizeValues *values)
+{
+   values->_margin[GTK_CSS_TOP] = _gtk_css_number_value_get (values->margin_top, 100);
+   values->_margin[GTK_CSS_RIGHT] = _gtk_css_number_value_get (values->margin_right, 100);
+   values->_margin[GTK_CSS_BOTTOM] = _gtk_css_number_value_get (values->margin_bottom, 100);
+   values->_margin[GTK_CSS_LEFT] = _gtk_css_number_value_get (values->margin_left, 100);
+   values->_padding[GTK_CSS_TOP] = _gtk_css_number_value_get (values->padding_top, 100);
+   values->_padding[GTK_CSS_RIGHT] = _gtk_css_number_value_get (values->padding_right, 100);
+   values->_padding[GTK_CSS_BOTTOM] = _gtk_css_number_value_get (values->padding_bottom, 100);
+   values->_padding[GTK_CSS_LEFT] = _gtk_css_number_value_get (values->padding_left, 100);
+   values->_border_spacing[GTK_ORIENTATION_HORIZONTAL] = _gtk_css_position_value_get_x 
(values->border_spacing, 100);
+   values->_border_spacing[GTK_ORIENTATION_VERTICAL] = _gtk_css_position_value_get_y 
(values->border_spacing, 100);
+   values->_min_size[GTK_ORIENTATION_HORIZONTAL] = _gtk_css_number_value_get (values->min_width, 100);
+   values->_min_size[GTK_ORIENTATION_VERTICAL] = _gtk_css_number_value_get (values->min_height, 100);
+}
+
 static GtkCssValues *
 gtk_css_other_create_initial_values (void)
 {
@@ -900,6 +1095,11 @@ gtk_css_other_create_initial_values (void)
   return (GtkCssValues *)values;
 }
 
+void
+gtk_css_other_values_unbox (GtkCssOtherValues *values)
+{
+}
+
 static void
 gtk_css_lookup_resolve (GtkCssLookup      *lookup,
                         GtkStyleProvider  *provider,
@@ -1034,12 +1234,6 @@ gtk_css_static_style_new_compute (GtkStyleProvider             *provider,
   return GTK_CSS_STYLE (result);
 }
 
-G_STATIC_ASSERT (GTK_CSS_PROPERTY_BORDER_TOP_STYLE == GTK_CSS_PROPERTY_BORDER_TOP_WIDTH - 1);
-G_STATIC_ASSERT (GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE == GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH - 1);
-G_STATIC_ASSERT (GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE == GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH - 1);
-G_STATIC_ASSERT (GTK_CSS_PROPERTY_BORDER_LEFT_STYLE == GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH - 1);
-G_STATIC_ASSERT (GTK_CSS_PROPERTY_OUTLINE_STYLE == GTK_CSS_PROPERTY_OUTLINE_WIDTH - 1);
-
 static void
 gtk_css_static_style_compute_value (GtkCssStaticStyle *style,
                                     GtkStyleProvider  *provider,
@@ -1049,7 +1243,7 @@ gtk_css_static_style_compute_value (GtkCssStaticStyle *style,
                                     GtkCssSection     *section)
 {
   GtkCssValue *value;
-  GtkBorderStyle border_style;
+  GtkCssStyle *_style = GTK_CSS_STYLE (style);
 
   gtk_internal_return_if_fail (id < GTK_CSS_PROPERTY_N_PROPERTIES);
 
@@ -1058,16 +1252,41 @@ gtk_css_static_style_compute_value (GtkCssStaticStyle *style,
     {
       /* We have them ordered in gtkcssstylepropertyimpl.c accordingly, so the
        * border styles are already computed when we compute the border widths.
-       *
-       * Note that we rely on ..._STYLE == ..._WIDTH - 1 here.
        */
       case GTK_CSS_PROPERTY_BORDER_TOP_WIDTH:
+        if (_style->border->_border_style[GTK_CSS_TOP] == GTK_BORDER_STYLE_NONE || 
_style->border->_border_style[GTK_CSS_TOP] == GTK_BORDER_STYLE_HIDDEN)
+          {
+            gtk_css_static_style_set_value (style, id, gtk_css_dimension_value_new (0, GTK_CSS_NUMBER), 
section);
+            return;
+          }
+        break;
+
       case GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH:
+        if (_style->border->_border_style[GTK_CSS_RIGHT] == GTK_BORDER_STYLE_NONE || 
_style->border->_border_style[GTK_CSS_RIGHT] == GTK_BORDER_STYLE_HIDDEN)
+          {
+            gtk_css_static_style_set_value (style, id, gtk_css_dimension_value_new (0, GTK_CSS_NUMBER), 
section);
+            return;
+          }
+        break;
+
       case GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH:
+        if (_style->border->_border_style[GTK_CSS_BOTTOM] == GTK_BORDER_STYLE_NONE || 
_style->border->_border_style[GTK_CSS_BOTTOM] == GTK_BORDER_STYLE_HIDDEN)
+          {
+            gtk_css_static_style_set_value (style, id, gtk_css_dimension_value_new (0, GTK_CSS_NUMBER), 
section);
+            return;
+          }
+        break;
+
       case GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH:
+        if (_style->border->_border_style[GTK_CSS_LEFT] == GTK_BORDER_STYLE_NONE || 
_style->border->_border_style[GTK_CSS_LEFT] == GTK_BORDER_STYLE_HIDDEN)
+          {
+            gtk_css_static_style_set_value (style, id, gtk_css_dimension_value_new (0, GTK_CSS_NUMBER), 
section);
+            return;
+          }
+        break;
+
       case GTK_CSS_PROPERTY_OUTLINE_WIDTH:
-        border_style = _gtk_css_border_style_value_get (gtk_css_style_get_value ((GtkCssStyle *)style, id - 
1));
-        if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN)
+        if (_style->outline->_outline_style == GTK_BORDER_STYLE_NONE || _style->outline->_outline_style == 
GTK_BORDER_STYLE_HIDDEN)
           {
             gtk_css_static_style_set_value (style, id, gtk_css_dimension_value_new (0, GTK_CSS_NUMBER), 
section);
             return;
@@ -1086,7 +1305,7 @@ gtk_css_static_style_compute_value (GtkCssStaticStyle *style,
    */
   if (specified)
     {
-      value = _gtk_css_value_compute (specified, id, provider, (GtkCssStyle *)style, parent_style);
+      value = _gtk_css_value_compute (specified, id, provider, _style, parent_style);
     }
   else if (parent_style && _gtk_css_style_property_is_inherit (_gtk_css_style_property_lookup_by_id (id)))
     {
@@ -1095,7 +1314,7 @@ gtk_css_static_style_compute_value (GtkCssStaticStyle *style,
     }
   else
     {
-      value = _gtk_css_initial_value_new_compute (id, provider, (GtkCssStyle *)style, parent_style);
+      value = _gtk_css_initial_value_new_compute (id, provider, _style, parent_style);
     }
 
   gtk_css_static_style_set_value (style, id, value, section);
diff --git a/gtk/gtkcssstyle.c b/gtk/gtkcssstyle.c
index 0822e80a46..1e6659e572 100644
--- a/gtk/gtkcssstyle.c
+++ b/gtk/gtkcssstyle.c
@@ -405,7 +405,7 @@ get_pango_underline_from_style (GtkTextDecorationStyle style)
 PangoTextTransform
 gtk_css_style_get_pango_text_transform (GtkCssStyle *style)
 {
-  switch (_gtk_css_text_transform_value_get (style->font_variant->text_transform))
+  switch (style->font_variant->_text_transform)
     {
     case GTK_CSS_TEXT_TRANSFORM_NONE:
       return PANGO_TEXT_TRANSFORM_NONE;
@@ -460,7 +460,7 @@ gtk_css_style_compute_font_features (GtkCssStyle *style)
   char *settings;
   GString *s = NULL;
 
-  switch (_gtk_css_font_kerning_value_get (style->font_variant->font_kerning))
+  switch (style->font_variant->_font_kerning)
     {
     case GTK_CSS_FONT_KERNING_NORMAL:
       append_separated (&s, "kern 1");
@@ -473,7 +473,7 @@ gtk_css_style_compute_font_features (GtkCssStyle *style)
       break;
     }
 
-  ligatures = _gtk_css_font_variant_ligature_value_get (style->font_variant->font_variant_ligatures);
+  ligatures = style->font_variant->_font_variant_ligatures;
   if (ligatures == GTK_CSS_FONT_VARIANT_LIGATURE_NORMAL)
     {
       /* all defaults */
@@ -500,7 +500,7 @@ gtk_css_style_compute_font_features (GtkCssStyle *style)
         append_separated (&s, "calt 0");
     }
 
-  switch (_gtk_css_font_variant_position_value_get (style->font_variant->font_variant_position))
+  switch (style->font_variant->_font_variant_position)
     {
     case GTK_CSS_FONT_VARIANT_POSITION_SUB:
       append_separated (&s, "subs 1");
@@ -513,7 +513,7 @@ gtk_css_style_compute_font_features (GtkCssStyle *style)
       break;
     }
 
-  numeric = _gtk_css_font_variant_numeric_value_get (style->font_variant->font_variant_numeric);
+  numeric = style->font_variant->_font_variant_numeric;
   if (numeric == GTK_CSS_FONT_VARIANT_NUMERIC_NORMAL)
     {
       /* all defaults */
@@ -538,7 +538,7 @@ gtk_css_style_compute_font_features (GtkCssStyle *style)
         append_separated (&s, "zero 1");
     }
 
-  switch (_gtk_css_font_variant_alternate_value_get (style->font_variant->font_variant_alternates))
+  switch (style->font_variant->_font_variant_alternates)
     {
     case GTK_CSS_FONT_VARIANT_ALTERNATE_HISTORICAL_FORMS:
       append_separated (&s, "hist 1");
@@ -548,7 +548,7 @@ gtk_css_style_compute_font_features (GtkCssStyle *style)
       break;
     }
 
-  east_asian = _gtk_css_font_variant_east_asian_value_get (style->font_variant->font_variant_east_asian);
+  east_asian = style->font_variant->_font_variant_east_asian;
   if (east_asian == GTK_CSS_FONT_VARIANT_EAST_ASIAN_NORMAL)
     {
       /* all defaults */
@@ -599,12 +599,13 @@ gtk_css_style_get_pango_attributes (GtkCssStyle *style)
   double letter_spacing;
 
   /* text-decoration */
-  decoration_line = _gtk_css_text_decoration_line_value_get (style->font_variant->text_decoration_line);
-  decoration_style = _gtk_css_text_decoration_style_value_get (style->font_variant->text_decoration_style);
-  color = gtk_css_color_value_get_rgba (style->core->color);
-  decoration_color = gtk_css_color_value_get_rgba (style->font_variant->text_decoration_color
-                                                   ? style->font_variant->text_decoration_color
-                                                   : style->core->color);
+  decoration_line = style->font_variant->_text_decoration_line;
+  decoration_style = style->font_variant->_text_decoration_style;
+  color = &style->core->_color;
+  if (style->font_variant->text_decoration_color)
+    decoration_color = &style->font_variant->_text_decoration_color;
+  else
+    decoration_color = &style->core->_color;
 
   if (decoration_line & GTK_CSS_TEXT_DECORATION_LINE_UNDERLINE)
     {
@@ -632,7 +633,7 @@ gtk_css_style_get_pango_attributes (GtkCssStyle *style)
     }
 
   /* letter-spacing */
-  letter_spacing = _gtk_css_number_value_get (style->font->letter_spacing, 100);
+  letter_spacing = style->font->_letter_spacing;
   if (letter_spacing != 0)
     {
       attrs = add_pango_attr (attrs, pango_attr_letter_spacing_new (letter_spacing * PANGO_SCALE));
@@ -640,7 +641,7 @@ gtk_css_style_get_pango_attributes (GtkCssStyle *style)
 
   /* line-height */
   {
-    double height = gtk_css_line_height_value_get (style->font->line_height);
+    float height = style->font->_line_height;
     if (height != 0.0)
       {
         if (gtk_css_number_value_get_dimension (style->font->line_height) == GTK_CSS_DIMENSION_LENGTH)
@@ -651,7 +652,7 @@ gtk_css_style_get_pango_attributes (GtkCssStyle *style)
    }
 
   /* casing variants */
-  switch (_gtk_css_font_variant_caps_value_get (style->font_variant->font_variant_caps))
+  switch (style->font_variant->_font_variant_caps)
     {
     case GTK_CSS_FONT_VARIANT_CAPS_SMALL_CAPS:
       attrs = add_pango_attr (attrs, pango_attr_variant_new (PANGO_VARIANT_SMALL_CAPS));
@@ -729,17 +730,13 @@ gtk_css_style_get_pango_font (GtkCssStyle *style)
                                          _gtk_css_string_value_get (_gtk_css_array_value_get_nth (v, 0)));
     }
 
-  v = style->core->font_size;
-  pango_font_description_set_absolute_size (description, round (_gtk_css_number_value_get (v, 100) * 
PANGO_SCALE));
+  pango_font_description_set_absolute_size (description, round (style->core->_font_size * PANGO_SCALE));
 
-  v = style->font->font_style;
-  pango_font_description_set_style (description, _gtk_css_font_style_value_get (v));
+  pango_font_description_set_style (description, style->font->_font_style);
 
-  v = style->font->font_weight;
-  pango_font_description_set_weight (description, _gtk_css_number_value_get (v, 100));
+  pango_font_description_set_weight (description, style->font->_font_weight);
 
-  v = style->font->font_stretch;
-  pango_font_description_set_stretch (description, _gtk_css_font_stretch_value_get (v));
+  pango_font_description_set_stretch (description, style->font->_font_stretch);
 
   v = style->font->font_variation_settings;
   str = gtk_css_font_variations_value_get_variations (v);
@@ -766,9 +763,13 @@ static const int values_size[] = {
   sizeof (GtkCssOtherValues)
 };
 
+static int n_values[] = {
+  4, 9, 20, 3, 4, 11, 11, 8, 4, 11, 7
+};
+
 #define TYPE_INDEX(type) ((type) - ((type) % 2))
 #define VALUES_SIZE(type) (values_size[(type) / 2])
-#define N_VALUES(type) ((VALUES_SIZE(type) - sizeof (GtkCssValues)) / sizeof (GtkCssValue *))
+#define N_VALUES(type) (n_values[(type) / 2])
 
 #define GET_VALUES(v) (GtkCssValue **)((guint8 *)(v) + sizeof (GtkCssValues))
 
@@ -812,7 +813,7 @@ gtk_css_values_copy (GtkCssValues *values)
   GtkCssValue **v, **v2;
   int i;
 
-  copy = gtk_css_values_new (TYPE_INDEX(values->type));
+  copy = gtk_css_values_new (TYPE_INDEX (values->type));
 
   v = GET_VALUES (values);
   v2 = GET_VALUES (copy);
diff --git a/gtk/gtkcssstyleprivate.h b/gtk/gtkcssstyleprivate.h
index d618b7d741..f9d91129d1 100644
--- a/gtk/gtkcssstyleprivate.h
+++ b/gtk/gtkcssstyleprivate.h
@@ -84,6 +84,10 @@ struct _GtkCssCoreValues {
   GtkCssValue *dpi;
   GtkCssValue *font_size;
   GtkCssValue *icon_palette;
+
+  GdkRGBA _color;
+  float   _dpi;
+  float   _font_size;
 };
 
 struct _GtkCssBackgroundValues {
@@ -97,6 +101,8 @@ struct _GtkCssBackgroundValues {
   GtkCssValue *background_repeat;
   GtkCssValue *background_image;
   GtkCssValue *background_blend_mode;
+
+  GdkRGBA _background_color;
 };
 
 struct _GtkCssBorderValues {
@@ -121,6 +127,11 @@ struct _GtkCssBorderValues {
   GtkCssValue *border_image_repeat;
   GtkCssValue *border_image_slice;
   GtkCssValue *border_image_width;
+
+  GtkBorderStyle  _border_style[4];
+  float           _border_width[4];
+  graphene_size_t _border_radius[4];
+  GdkRGBA         _border_color[4];
 };
 
 struct _GtkCssIconValues {
@@ -128,6 +139,9 @@ struct _GtkCssIconValues {
   GtkCssValue *icon_size;
   GtkCssValue *icon_shadow;
   GtkCssValue *icon_style;
+
+  int             _icon_size;
+  GtkCssIconStyle _icon_style;
 };
 
 
@@ -137,6 +151,11 @@ struct _GtkCssOutlineValues {
   GtkCssValue *outline_width;
   GtkCssValue *outline_offset;
   GtkCssValue *outline_color; // NULL if currentColor
+
+  GtkBorderStyle _outline_style;
+  float          _outline_width;
+  float          _outline_offset;
+  GdkRGBA        _outline_color;
 };
 
 struct _GtkCssFontValues {
@@ -152,6 +171,14 @@ struct _GtkCssFontValues {
   GtkCssValue *font_feature_settings;
   GtkCssValue *font_variation_settings;
   GtkCssValue *line_height;
+
+  PangoStyle   _font_style;
+  PangoStretch _font_stretch;
+  float        _font_weight;
+  float        _letter_spacing;
+  float        _line_height;
+  GdkRGBA      _caret_color;
+  GdkRGBA      _secondary_caret_color;
 };
 
 struct _GtkCssFontVariantValues {
@@ -167,6 +194,18 @@ struct _GtkCssFontVariantValues {
   GtkCssValue *font_variant_numeric;
   GtkCssValue *font_variant_alternates;
   GtkCssValue *font_variant_east_asian;
+
+  GtkTextDecorationLine       _text_decoration_line;
+  GtkTextDecorationStyle      _text_decoration_style;
+  GtkTextTransform            _text_transform;
+  GtkCssFontKerning           _font_kerning;
+  GtkCssFontVariantLigature   _font_variant_ligatures;
+  GtkCssFontVariantPosition   _font_variant_position;
+  GtkCssFontVariantCaps       _font_variant_caps;
+  GtkCssFontVariantNumeric    _font_variant_numeric;
+  GtkCssFontVariantAlternate  _font_variant_alternates;
+  GtkCssFontVariantEastAsian  _font_variant_east_asian;
+  GdkRGBA                     _text_decoration_color;
 };
 
 struct _GtkCssAnimationValues {
@@ -202,6 +241,11 @@ struct _GtkCssSizeValues {
   GtkCssValue *border_spacing;
   GtkCssValue *min_width;
   GtkCssValue *min_height;
+
+  float _margin[4];
+  float _padding[4];
+  float _border_spacing[2];
+  float _min_size[2];
 };
 
 struct _GtkCssOtherValues {
diff --git a/gtk/gtkcsstypesprivate.h b/gtk/gtkcsstypesprivate.h
index 3846b1d581..41a5ae1a05 100644
--- a/gtk/gtkcsstypesprivate.h
+++ b/gtk/gtkcsstypesprivate.h
@@ -354,6 +354,13 @@ typedef enum /*< skip >*/ {
   GTK_CSS_LEFT
 } GtkCssSide;
 
+typedef enum /*< skip >*/ {
+  GTK_CSS_TOP_LEFT,
+  GTK_CSS_TOP_RIGHT,
+  GTK_CSS_BOTTOM_RIGHT,
+  GTK_CSS_BOTTOM_LEFT
+} GtkCssCorner;
+
 typedef enum /*< skip >*/ {
   GTK_CSS_DIMENSION_PERCENTAGE,
   GTK_CSS_DIMENSION_NUMBER,
diff --git a/gtk/gtkflowbox.c b/gtk/gtkflowbox.c
index 2d9e9d9e70..5cdd7b8d55 100644
--- a/gtk/gtkflowbox.c
+++ b/gtk/gtkflowbox.c
@@ -2571,6 +2571,7 @@ gtk_flow_box_snapshot (GtkWidget   *widget,
           cairo_path_t *path;
           GtkBorder border;
           const GdkRGBA *border_color;
+          GtkCssStyle *style;
 
           if (vertical)
             path_from_vertical_line_rects (cr, (GdkRectangle *)lines->data, lines->len);
@@ -2590,7 +2591,8 @@ gtk_flow_box_snapshot (GtkWidget   *widget,
           cairo_append_path (cr, path);
           cairo_path_destroy (path);
 
-          border_color = gtk_css_color_value_get_rgba (_gtk_style_context_peek_property (context, 
GTK_CSS_PROPERTY_BORDER_TOP_COLOR));
+          style = gtk_style_context_lookup_style (context);
+          border_color = style->border->border_top_color ? &style->border->_border_color[GTK_CSS_TOP] : 
&style->core->_color;
           gtk_style_context_get_border (context, &border);
 
           cairo_set_line_width (cr, border.left);
diff --git a/gtk/gtkgridlayout.c b/gtk/gtkgridlayout.c
index d449f43da1..4da0a47787 100644
--- a/gtk/gtkgridlayout.c
+++ b/gtk/gtkgridlayout.c
@@ -464,17 +464,8 @@ get_spacing (GtkGridLayout  *self,
 {
   GtkCssNode *node = gtk_widget_get_css_node (widget);
   GtkCssStyle *style = gtk_css_node_get_style (node);
-  GtkCssValue *border_spacing;
-  int css_spacing;
 
-  border_spacing = style->size->border_spacing;
-
-  if (orientation == GTK_ORIENTATION_HORIZONTAL)
-    css_spacing = _gtk_css_position_value_get_x (border_spacing, 100);
-  else
-    css_spacing = _gtk_css_position_value_get_y (border_spacing, 100);
-
-  return css_spacing + self->linedata[orientation].spacing;
+  return style->size->_border_spacing[orientation] + self->linedata[orientation].spacing;
 }
 
 /* Calculates the min and max numbers for both orientations. */
diff --git a/gtk/gtkiconhelper.c b/gtk/gtkiconhelper.c
index 80cbca7474..ef5473f24f 100644
--- a/gtk/gtkiconhelper.c
+++ b/gtk/gtkiconhelper.c
@@ -55,13 +55,10 @@ get_icon_lookup_flags (GtkIconHelper *self,
                        GtkCssStyle   *style)
 {
   GtkIconLookupFlags flags;
-  GtkCssIconStyle icon_style;
 
   flags = 0;
 
-  icon_style = _gtk_css_icon_style_value_get (style->icon->icon_style);
-
-  switch (icon_style)
+  switch (style->icon->_icon_style)
     {
     case GTK_CSS_ICON_STYLE_REGULAR:
       flags |= GTK_ICON_LOOKUP_FORCE_REGULAR;
@@ -455,7 +452,7 @@ gtk_icon_helper_get_size (GtkIconHelper *self)
     return self->pixel_size;
 
   style = gtk_css_node_get_style (self->node);
-  return _gtk_css_number_value_get (style->icon->icon_size, 100);
+  return style->icon->_icon_size;
 }
 
 void
diff --git a/gtk/gtkicontheme.c b/gtk/gtkicontheme.c
index 4c39604132..9f0ce0cab1 100644
--- a/gtk/gtkicontheme.c
+++ b/gtk/gtkicontheme.c
@@ -2546,7 +2546,7 @@ void
 gtk_icon_theme_lookup_symbolic_colors (GtkCssStyle *style,
                                        GdkRGBA      color_out[4])
 {
-  GtkCssValue *palette, *color;
+  GtkCssValue *palette;
   const char *names[4] = {
     [GTK_SYMBOLIC_COLOR_ERROR] = "error",
     [GTK_SYMBOLIC_COLOR_WARNING] = "warning",
@@ -2555,9 +2555,8 @@ gtk_icon_theme_lookup_symbolic_colors (GtkCssStyle *style,
   const GdkRGBA *lookup;
   gsize i;
 
-  color = style->core->color;
   palette = style->core->icon_palette;
-  color_out[GTK_SYMBOLIC_COLOR_FOREGROUND] = *gtk_css_color_value_get_rgba (color);
+  color_out[GTK_SYMBOLIC_COLOR_FOREGROUND] = style->core->_color;
 
   for (i = 1; i < 4; i++)
     {
diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c
index 3a9828e9f0..990243b3da 100644
--- a/gtk/gtklabel.c
+++ b/gtk/gtklabel.c
@@ -828,7 +828,7 @@ gtk_label_update_layout_attributes (GtkLabel      *self,
               g_slist_free (attributes);
             }
 
-          link_color = gtk_css_color_value_get_rgba (style->core->color);
+          link_color = &style->core->_color;
           attr = pango_attr_foreground_new (link_color->red * 65535,
                                             link_color->green * 65535,
                                             link_color->blue * 65535);
diff --git a/gtk/gtknative.c b/gtk/gtknative.c
index aafdbb163e..8fcf5ea43f 100644
--- a/gtk/gtknative.c
+++ b/gtk/gtknative.c
@@ -341,16 +341,12 @@ subtract_decoration_corners_from_region (cairo_region_t        *region,
   cairo_region_subtract_rectangle (region, &rect);
 }
 
-static int
-get_translucent_border_edge (const GtkCssValue *color,
-                             const GtkCssValue *border_color,
-                             const GtkCssValue *border_width)
+static inline int
+get_translucent_border_edge (const GdkRGBA *border_color,
+                             float          border_width)
 {
-  if (border_color == NULL)
-    border_color = color;
-
-  if (!gdk_rgba_is_opaque (gtk_css_color_value_get_rgba (border_color)))
-    return round (_gtk_css_number_value_get (border_width, 100));
+  if (!gdk_rgba_is_opaque (border_color))
+    return round (border_width);
 
   return 0;
 }
@@ -362,18 +358,22 @@ get_translucent_border_width (GtkWidget *widget,
   GtkCssNode *css_node = gtk_widget_get_css_node (widget);
   GtkCssStyle *style = gtk_css_node_get_style (css_node);
 
-  border->top = get_translucent_border_edge (style->core->color,
-                                             style->border->border_top_color,
-                                             style->border->border_top_width);
-  border->bottom = get_translucent_border_edge (style->core->color,
-                                                style->border->border_bottom_color,
-                                                style->border->border_bottom_width);
-  border->left = get_translucent_border_edge (style->core->color,
-                                              style->border->border_left_color,
-                                              style->border->border_left_width);
-  border->right = get_translucent_border_edge (style->core->color,
-                                               style->border->border_right_color,
-                                               style->border->border_right_width);
+  border->top = get_translucent_border_edge (style->border->border_top_color
+                                              ? &style->border->_border_color[GTK_CSS_TOP]
+                                              : &style->core->_color,
+                                             style->border->_border_width[GTK_CSS_TOP]);
+  border->right = get_translucent_border_edge (style->border->border_right_color
+                                                ? &style->border->_border_color[GTK_CSS_RIGHT]
+                                                : &style->core->_color,
+                                               style->border->_border_width[GTK_CSS_RIGHT]);
+  border->bottom = get_translucent_border_edge (style->border->border_bottom_color
+                                                 ? &style->border->_border_color[GTK_CSS_BOTTOM]
+                                                 : &style->core->_color,
+                                                style->border->_border_width[GTK_CSS_BOTTOM]);
+  border->left = get_translucent_border_edge (style->border->border_left_color
+                                               ? &style->border->_border_color[GTK_CSS_LEFT]
+                                               : &style->core->_color,
+                                              style->border->_border_width[GTK_CSS_LEFT]);
 }
 
 static gboolean
@@ -381,7 +381,7 @@ get_opaque_rect (GtkWidget             *widget,
                  const GtkCssStyle     *style,
                  cairo_rectangle_int_t *rect)
 {
-  gboolean is_opaque = gdk_rgba_is_opaque (gtk_css_color_value_get_rgba 
(style->background->background_color));
+  gboolean is_opaque = gdk_rgba_is_opaque (&style->background->_background_color);
 
   if (is_opaque && gtk_widget_get_opacity (widget) < 1.0)
     is_opaque = FALSE;
diff --git a/gtk/gtkpicture.c b/gtk/gtkpicture.c
index aa8599ebd9..5a4b46a273 100644
--- a/gtk/gtkpicture.c
+++ b/gtk/gtkpicture.c
@@ -213,7 +213,7 @@ gtk_picture_measure (GtkWidget      *widget,
     }
 
   style = gtk_css_node_get_style (gtk_widget_get_css_node (widget));
-  default_size = _gtk_css_number_value_get (style->icon->icon_size, 100);
+  default_size = style->icon->_icon_size;
 
   if (self->can_shrink)
     {
diff --git a/gtk/gtkpopover.c b/gtk/gtkpopover.c
index 8ac30372b7..ad18e56d9a 100644
--- a/gtk/gtkpopover.c
+++ b/gtk/gtkpopover.c
@@ -1203,10 +1203,10 @@ gtk_popover_get_gap_coords (GtkPopover *popover,
   pos = priv->final_position;
 
   style = gtk_css_node_get_style (gtk_widget_get_css_node (priv->contents_widget));
-  border_radius = _gtk_css_number_value_get (style->border->border_top_left_radius, 100);
-  border_top = _gtk_css_number_value_get (style->border->border_top_width, 100);
-  border_right = _gtk_css_number_value_get (style->border->border_right_width, 100);
-  border_bottom = _gtk_css_number_value_get (style->border->border_bottom_width, 100);
+  border_radius = style->border->_border_radius[GTK_CSS_TOP_LEFT].width;
+  border_top = style->border->_border_width[GTK_CSS_TOP];
+  border_right = style->border->_border_width[GTK_CSS_RIGHT];
+  border_bottom = style->border->_border_width[GTK_CSS_BOTTOM];
 
   gtk_css_shadow_value_get_extents (style->background->box_shadow, &shadow_width);
 
@@ -1285,10 +1285,10 @@ get_border (GtkCssNode *node,
 
   style = gtk_css_node_get_style (node);
 
-  border->top = _gtk_css_number_value_get (style->border->border_top_width, 100);
-  border->right = _gtk_css_number_value_get (style->border->border_right_width, 100);
-  border->bottom = _gtk_css_number_value_get (style->border->border_bottom_width, 100);
-  border->left = _gtk_css_number_value_get (style->border->border_left_width, 100);
+  border->top = style->border->_border_width[GTK_CSS_TOP];
+  border->right = style->border->_border_width[GTK_CSS_RIGHT];
+  border->bottom = style->border->_border_width[GTK_CSS_BOTTOM];
+  border->left = style->border->_border_width[GTK_CSS_LEFT];
 }
 
 static void
@@ -1405,7 +1405,7 @@ get_border_radius (GtkWidget *widget)
   GtkCssStyle *style;
 
   style = gtk_css_node_get_style (gtk_widget_get_css_node (widget));
-  return round (_gtk_css_number_value_get (style->border->border_top_left_radius, 100));
+  return round (style->border->_border_radius[GTK_CSS_TOP_LEFT].width);
 }
 
 static int
@@ -1583,7 +1583,7 @@ create_arrow_render_node (GtkPopover *popover)
       const GdkRGBA *border_color;
 
       style = gtk_css_node_get_style (priv->arrow_node);
-      border_color = gtk_css_color_value_get_rgba (style->border->border_left_color ? 
style->border->border_left_color : style->core->color);
+      border_color = style->border->border_left_color ? &style->border->_border_color[GTK_CSS_LEFT] : 
&style->core->_color;
 
       gtk_popover_apply_tail_path (popover, cr);
       gdk_cairo_set_source_rgba (cr, border_color);
diff --git a/gtk/gtkrender.c b/gtk/gtkrender.c
index 414b940517..4b7592b528 100644
--- a/gtk/gtkrender.c
+++ b/gtk/gtkrender.c
@@ -387,14 +387,14 @@ gtk_render_line (GtkStyleContext *context,
                  double           x1,
                  double           y1)
 {
-  const GdkRGBA *color;
+  GtkCssStyle *style;
 
   g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
   g_return_if_fail (cr != NULL);
 
   cairo_save (cr);
 
-  color = gtk_css_color_value_get_rgba (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_COLOR));
+  style = gtk_style_context_lookup_style (context);
 
   cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
   cairo_set_line_width (cr, 1);
@@ -402,7 +402,7 @@ gtk_render_line (GtkStyleContext *context,
   cairo_move_to (cr, x0 + 0.5, y0 + 0.5);
   cairo_line_to (cr, x1 + 0.5, y1 + 0.5);
 
-  gdk_cairo_set_source_rgba (cr, color);
+  gdk_cairo_set_source_rgba (cr, &style->core->_color);
   cairo_stroke (cr);
 
   cairo_restore (cr);
diff --git a/gtk/gtkrenderbackground.c b/gtk/gtkrenderbackground.c
index 92a29ca9fb..d19a79edc8 100644
--- a/gtk/gtkrenderbackground.c
+++ b/gtk/gtkrenderbackground.c
@@ -259,7 +259,7 @@ gtk_css_style_snapshot_background (GtkCssBoxes *boxes,
     return;
 
   background_image = background->background_image;
-  bg_color = gtk_css_color_value_get_rgba (background->background_color);
+  bg_color = &background->_background_color;
   box_shadow = background->box_shadow;
 
   has_bg_color = !gdk_rgba_is_clear (bg_color);
diff --git a/gtk/gtkrenderborder.c b/gtk/gtkrenderborder.c
index c9415c4ebf..7377dd0fb9 100644
--- a/gtk/gtkrenderborder.c
+++ b/gtk/gtkrenderborder.c
@@ -525,7 +525,7 @@ snapshot_border (GtkSnapshot          *snapshot,
                  const GskRoundedRect *border_box,
                  const float           border_width[4],
                  GdkRGBA               colors[4],
-                 GtkBorderStyle        border_style[4])
+                 const GtkBorderStyle  border_style[4])
 {
   guint hidden_side = 0;
   guint i, j;
@@ -648,7 +648,6 @@ gtk_css_style_snapshot_border (GtkCssBoxes *boxes,
 {
   const GtkCssBorderValues *border = boxes->style->border;
   GtkBorderImage border_image;
-  float border_width[4];
 
   if (border->base.type == GTK_CSS_BORDER_INITIAL_VALUES)
     return;
@@ -658,22 +657,16 @@ gtk_css_style_snapshot_border (GtkCssBoxes *boxes,
       cairo_t *cr;
       const graphene_rect_t *bounds;
 
-      border_width[0] = _gtk_css_number_value_get (border->border_top_width, 100);
-      border_width[1] = _gtk_css_number_value_get (border->border_right_width, 100);
-      border_width[2] = _gtk_css_number_value_get (border->border_bottom_width, 100);
-      border_width[3] = _gtk_css_number_value_get (border->border_left_width, 100);
-
       bounds = gtk_css_boxes_get_border_rect (boxes);
 
       gtk_snapshot_push_debug (snapshot, "CSS border image");
       cr = gtk_snapshot_append_cairo (snapshot, bounds);
-      gtk_border_image_render (&border_image, border_width, cr, bounds);
+      gtk_border_image_render (&border_image, border->_border_width, cr, bounds);
       cairo_destroy (cr);
       gtk_snapshot_pop (snapshot);
     }
   else
     {
-      GtkBorderStyle border_style[4];
       GdkRGBA colors[4];
       graphene_simd4f_t alpha_test_vector;
 
@@ -682,44 +675,37 @@ gtk_css_style_snapshot_border (GtkCssBoxes *boxes,
                                gtk_css_boxes_get_padding_rect (boxes)))
         return;
 
-      colors[0] = *gtk_css_color_value_get_rgba (border->border_top_color ? border->border_top_color : 
boxes->style->core->color);
-      colors[1] = *gtk_css_color_value_get_rgba (border->border_right_color ? border->border_right_color : 
boxes->style->core->color);
-      colors[2] = *gtk_css_color_value_get_rgba (border->border_bottom_color ? border->border_bottom_color : 
boxes->style->core->color);
-      colors[3] = *gtk_css_color_value_get_rgba (border->border_left_color ? border->border_left_color : 
boxes->style->core->color);
+      colors[GTK_CSS_TOP] = border->border_top_color ? border->_border_color[GTK_CSS_TOP] : 
boxes->style->core->_color;
+      colors[GTK_CSS_RIGHT] = border->border_right_color ? border->_border_color[GTK_CSS_RIGHT] : 
boxes->style->core->_color;
+      colors[GTK_CSS_BOTTOM] = border->border_bottom_color ? border->_border_color[GTK_CSS_BOTTOM] : 
boxes->style->core->_color;
+      colors[GTK_CSS_LEFT] = border->border_left_color ? border->_border_color[GTK_CSS_LEFT] : 
boxes->style->core->_color;
 
-      alpha_test_vector = graphene_simd4f_init (colors[0].alpha, colors[1].alpha, colors[2].alpha, 
colors[3].alpha);
+      alpha_test_vector = graphene_simd4f_init (colors[GTK_CSS_TOP].alpha,
+                                                colors[GTK_CSS_RIGHT].alpha,
+                                                colors[GTK_CSS_BOTTOM].alpha,
+                                                colors[GTK_CSS_LEFT].alpha);
       if (graphene_simd4f_is_zero4 (alpha_test_vector))
         return;
 
-      border_style[0] = _gtk_css_border_style_value_get (border->border_top_style);
-      border_style[1] = _gtk_css_border_style_value_get (border->border_right_style);
-      border_style[2] = _gtk_css_border_style_value_get (border->border_bottom_style);
-      border_style[3] = _gtk_css_border_style_value_get (border->border_left_style);
-
-      border_width[0] = _gtk_css_number_value_get (border->border_top_width, 100);
-      border_width[1] = _gtk_css_number_value_get (border->border_right_width, 100);
-      border_width[2] = _gtk_css_number_value_get (border->border_bottom_width, 100);
-      border_width[3] = _gtk_css_number_value_get (border->border_left_width, 100);
-
       gtk_snapshot_push_debug (snapshot, "CSS border");
-      if (border_style[0] <= GTK_BORDER_STYLE_SOLID &&
-          border_style[1] <= GTK_BORDER_STYLE_SOLID &&
-          border_style[2] <= GTK_BORDER_STYLE_SOLID &&
-          border_style[3] <= GTK_BORDER_STYLE_SOLID)
+      if (border->_border_style[GTK_CSS_TOP] <= GTK_BORDER_STYLE_SOLID &&
+          border->_border_style[GTK_CSS_RIGHT] <= GTK_BORDER_STYLE_SOLID &&
+          border->_border_style[GTK_CSS_BOTTOM] <= GTK_BORDER_STYLE_SOLID &&
+          border->_border_style[GTK_CSS_LEFT] <= GTK_BORDER_STYLE_SOLID)
         {
           /* The most common case of a solid border */
           gtk_snapshot_append_border (snapshot,
                                       gtk_css_boxes_get_border_box (boxes),
-                                      border_width,
+                                      border->_border_width,
                                       colors);
         }
       else
         {
           snapshot_border (snapshot,
                            gtk_css_boxes_get_border_box (boxes),
-                           border_width,
+                           border->_border_width,
                            colors,
-                           border_style);
+                           border->_border_style);
         }
        gtk_snapshot_pop (snapshot);
     }
@@ -734,16 +720,16 @@ gtk_css_style_snapshot_outline (GtkCssBoxes *boxes,
   float border_width[4];
   GdkRGBA colors[4];
 
-  border_style[0] = _gtk_css_border_style_value_get (outline->outline_style);
+  border_style[0] = outline->_outline_style;
   if (border_style[0] != GTK_BORDER_STYLE_NONE)
     {
-      const GdkRGBA *color = gtk_css_color_value_get_rgba (outline->outline_color ?
-                                                           outline->outline_color :
-                                                           boxes->style->core->color);
+      const GdkRGBA *color;
+
+      color = outline->outline_color ? &outline->_outline_color : &boxes->style->core->_color;
       if (gdk_rgba_is_clear (color))
         return;
 
-      border_width[0] = _gtk_css_number_value_get (outline->outline_width, 100);
+      border_width[0] = outline->_outline_width;
 
       if (G_APPROX_VALUE (border_width[0], 0, FLT_EPSILON))
         return;
diff --git a/gtk/gtksizerequest.c b/gtk/gtksizerequest.c
index 637a705f87..5ef9063be6 100644
--- a/gtk/gtksizerequest.c
+++ b/gtk/gtksizerequest.c
@@ -82,52 +82,43 @@ fetch_request_mode (GtkWidget *widget)
     return GTK_WIDGET_GET_CLASS (widget)->get_request_mode (widget);
 }
 
-static int
-get_number (GtkCssValue *value)
+static inline int
+ceil_or_floor (float d)
 {
-  double d = _gtk_css_number_value_get (value, 100);
-
   if (d < 1)
-    return ceil (d);
+    return ceilf (d);
   else
-    return floor (d);
-}
-
-/* Special-case min-width|height to round upwards, to avoid underalloc by 1px */
-static int
-get_number_ceil (GtkCssValue *value)
-{
-  return ceil (_gtk_css_number_value_get (value, 100));
+    return floorf (d);
 }
 
-static void
+static inline void
 get_box_margin (GtkCssStyle *style,
                 GtkBorder   *margin)
 {
-  margin->top = get_number (style->size->margin_top);
-  margin->left = get_number (style->size->margin_left);
-  margin->bottom = get_number (style->size->margin_bottom);
-  margin->right = get_number (style->size->margin_right);
+  margin->top = ceil_or_floor (style->size->_margin[GTK_CSS_TOP]);
+  margin->right = ceil_or_floor (style->size->_margin[GTK_CSS_RIGHT]);
+  margin->bottom = ceil_or_floor (style->size->_margin[GTK_CSS_BOTTOM]);
+  margin->left = ceil_or_floor (style->size->_margin[GTK_CSS_LEFT]);
 }
 
-static void
+static inline void
 get_box_border (GtkCssStyle *style,
                 GtkBorder   *border)
 {
-  border->top = get_number (style->border->border_top_width);
-  border->left = get_number (style->border->border_left_width);
-  border->bottom = get_number (style->border->border_bottom_width);
-  border->right = get_number (style->border->border_right_width);
+  border->top = ceil_or_floor (style->border->_border_width[GTK_CSS_TOP]);
+  border->right = ceil_or_floor (style->border->_border_width[GTK_CSS_RIGHT]);
+  border->bottom = ceil_or_floor (style->border->_border_width[GTK_CSS_BOTTOM]);
+  border->left = ceil_or_floor (style->border->_border_width[GTK_CSS_LEFT]);
 }
 
-static void
+static inline void
 get_box_padding (GtkCssStyle *style,
-                 GtkBorder   *border)
+                 GtkBorder   *padding)
 {
-  border->top = get_number (style->size->padding_top);
-  border->left = get_number (style->size->padding_left);
-  border->bottom = get_number (style->size->padding_bottom);
-  border->right = get_number (style->size->padding_right);
+  padding->top = ceil_or_floor (style->size->_padding[GTK_CSS_TOP]);
+  padding->right = ceil_or_floor (style->size->_padding[GTK_CSS_RIGHT]);
+  padding->bottom = ceil_or_floor (style->size->_padding[GTK_CSS_BOTTOM]);
+  padding->left = ceil_or_floor (style->size->_padding[GTK_CSS_LEFT]);
 }
 
 static void
@@ -190,20 +181,19 @@ gtk_widget_query_size_for_orientation (GtkWidget        *widget,
 
       widget_class = GTK_WIDGET_GET_CLASS (widget);
 
+      css_min_size = ceil (style->size->_min_size[orientation]);
+      css_min_for_size = ceil (style->size->_min_size[1 - orientation]);
+
       if (orientation == GTK_ORIENTATION_HORIZONTAL)
         {
           css_extra_size = margin.left + margin.right + border.left + border.right + padding.left + 
padding.right;
           css_extra_for_size = margin.top + margin.bottom + border.top + border.bottom + padding.top + 
padding.bottom;
-          css_min_size = get_number_ceil (style->size->min_width);
-          css_min_for_size = get_number_ceil (style->size->min_height);
           widget_margins_for_size = widget->priv->margin.top + widget->priv->margin.bottom;
         }
       else
         {
           css_extra_size = margin.top + margin.bottom + border.top + border.bottom + padding.top + 
padding.bottom;
           css_extra_for_size = margin.left + margin.right + border.left + border.right + padding.left + 
padding.right;
-          css_min_size = get_number_ceil (style->size->min_height);
-          css_min_for_size = get_number_ceil (style->size->min_width);
           widget_margins_for_size = widget->priv->margin.left + widget->priv->margin.right;
         }
 
diff --git a/gtk/gtksnapshot.c b/gtk/gtksnapshot.c
index afa27b45f1..3dc61b253d 100644
--- a/gtk/gtksnapshot.c
+++ b/gtk/gtksnapshot.c
@@ -2093,9 +2093,9 @@ gtk_snapshot_render_layout (GtkSnapshot     *snapshot,
                             PangoLayout     *layout)
 {
   const bool needs_translate = (x != 0 || y != 0);
-  const GdkRGBA *fg_color;
   GtkCssValue *shadows_value;
   gboolean has_shadow;
+  GtkCssStyle *style;
 
   g_return_if_fail (snapshot != NULL);
   g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
@@ -2107,12 +2107,12 @@ gtk_snapshot_render_layout (GtkSnapshot     *snapshot,
       gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (x, y));
     }
 
-  fg_color = gtk_css_color_value_get_rgba (_gtk_style_context_peek_property (context, 
GTK_CSS_PROPERTY_COLOR));
+  style = gtk_style_context_lookup_style (context);
 
   shadows_value = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_TEXT_SHADOW);
   has_shadow = gtk_css_shadow_value_push_snapshot (shadows_value, snapshot);
 
-  gtk_snapshot_append_layout (snapshot, layout, fg_color);
+  gtk_snapshot_append_layout (snapshot, layout, &style->core->_color);
 
   if (has_shadow)
     gtk_snapshot_pop (snapshot);
diff --git a/gtk/gtkspinner.c b/gtk/gtkspinner.c
index 4d487e1c4a..6f40c3b972 100644
--- a/gtk/gtkspinner.c
+++ b/gtk/gtkspinner.c
@@ -94,7 +94,7 @@ gtk_spinner_measure (GtkWidget      *widget,
   GtkCssStyle *style;
 
   style = gtk_css_node_get_style (gtk_widget_get_css_node (widget));
-  *minimum = *natural = _gtk_css_number_value_get (style->icon->icon_size, 100);
+  *minimum = *natural = style->icon->_icon_size;
 }
 
 static void
diff --git a/gtk/gtkstylecontext.c b/gtk/gtkstylecontext.c
index 5fca489632..85419fe3d8 100644
--- a/gtk/gtkstylecontext.c
+++ b/gtk/gtkstylecontext.c
@@ -22,7 +22,6 @@
 #include <gdk/gdk.h>
 
 #include "gtkcsscolorvalueprivate.h"
-#include "gtkcssnumbervalueprivate.h"
 #include "gtkcsstransientnodeprivate.h"
 #include "gtkdebug.h"
 #include "gtkintl.h"
@@ -856,10 +855,14 @@ void
 gtk_style_context_get_color (GtkStyleContext *context,
                              GdkRGBA         *color)
 {
+  GtkCssStyle *style;
+
   g_return_if_fail (color != NULL);
   g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
 
-  *color = *gtk_css_color_value_get_rgba (_gtk_style_context_peek_property (context, 
GTK_CSS_PROPERTY_COLOR));
+  style = gtk_style_context_lookup_style (context);
+
+  *color = style->core->_color;
 }
 
 /**
@@ -880,10 +883,10 @@ gtk_style_context_get_border (GtkStyleContext *context,
 
   style = gtk_style_context_lookup_style (context);
 
-  border->top = round (_gtk_css_number_value_get (style->border->border_top_width, 100));
-  border->right = round (_gtk_css_number_value_get (style->border->border_right_width, 100));
-  border->bottom = round (_gtk_css_number_value_get (style->border->border_bottom_width, 100));
-  border->left = round (_gtk_css_number_value_get (style->border->border_left_width, 100));
+  border->top = round (style->border->_border_width[GTK_CSS_TOP]);
+  border->right = round (style->border->_border_width[GTK_CSS_RIGHT]);
+  border->bottom = round (style->border->_border_width[GTK_CSS_BOTTOM]);
+  border->left = round (style->border->_border_width[GTK_CSS_LEFT]);
 }
 
 /**
@@ -904,10 +907,10 @@ gtk_style_context_get_padding (GtkStyleContext *context,
 
   style = gtk_style_context_lookup_style (context);
 
-  padding->top = round (_gtk_css_number_value_get (style->size->padding_top, 100));
-  padding->right = round (_gtk_css_number_value_get (style->size->padding_right, 100));
-  padding->bottom = round (_gtk_css_number_value_get (style->size->padding_bottom, 100));
-  padding->left = round (_gtk_css_number_value_get (style->size->padding_left, 100));
+  padding->top = round (style->size->_padding[GTK_CSS_TOP]);
+  padding->right = round (style->size->_padding[GTK_CSS_RIGHT]);
+  padding->bottom = round (style->size->_padding[GTK_CSS_BOTTOM]);
+  padding->left = round (style->size->_padding[GTK_CSS_LEFT]);
 }
 
 /**
@@ -928,10 +931,10 @@ gtk_style_context_get_margin (GtkStyleContext *context,
 
   style = gtk_style_context_lookup_style (context);
 
-  margin->top = round (_gtk_css_number_value_get (style->size->margin_top, 100));
-  margin->right = round (_gtk_css_number_value_get (style->size->margin_right, 100));
-  margin->bottom = round (_gtk_css_number_value_get (style->size->margin_bottom, 100));
-  margin->left = round (_gtk_css_number_value_get (style->size->margin_left, 100));
+  margin->top = round (style->size->_margin[GTK_CSS_TOP]);
+  margin->right = round (style->size->_margin[GTK_CSS_RIGHT]);
+  margin->bottom = round (style->size->_margin[GTK_CSS_BOTTOM]);
+  margin->left = round (style->size->_margin[GTK_CSS_LEFT]);
 }
 
 void
diff --git a/gtk/gtktexthandle.c b/gtk/gtktexthandle.c
index 05f6d809aa..70f5ae69e7 100644
--- a/gtk/gtktexthandle.c
+++ b/gtk/gtktexthandle.c
@@ -117,10 +117,10 @@ gtk_text_handle_get_padding (GtkTextHandle *handle,
   GtkWidget *widget = GTK_WIDGET (handle);
   GtkCssStyle *style = gtk_css_node_get_style (gtk_widget_get_css_node (widget));
 
-  padding->left = _gtk_css_number_value_get (style->size->padding_left, 100);
-  padding->right = _gtk_css_number_value_get (style->size->padding_right, 100);
-  padding->top = _gtk_css_number_value_get (style->size->padding_top, 100);
-  padding->bottom = _gtk_css_number_value_get (style->size->padding_bottom, 100);
+  padding->left = style->size->_padding[GTK_CSS_LEFT];
+  padding->right = style->size->_padding[GTK_CSS_RIGHT];
+  padding->top = style->size->_padding[GTK_CSS_TOP];
+  padding->bottom = style->size->_padding[GTK_CSS_BOTTOM];
 }
 
 static void
diff --git a/gtk/gtktextlayout.c b/gtk/gtktextlayout.c
index ad0570b6b1..d1646815ac 100644
--- a/gtk/gtktextlayout.c
+++ b/gtk/gtktextlayout.c
@@ -4148,6 +4148,7 @@ gtk_text_layout_snapshot (GtkTextLayout      *layout,
   if (have_selection)
     {
       GtkCssNode *selection_node;
+      GtkCssStyle *style;
       GdkRGBA text_color;
 
       selection_start_line = gtk_text_iter_get_line (&selection_start);
@@ -4156,9 +4157,11 @@ gtk_text_layout_snapshot (GtkTextLayout      *layout,
       selection_node = gtk_text_view_get_selection_node ((GtkTextView*)widget);
       gtk_style_context_save_to_node (context, selection_node);
 
-      selection = gtk_css_color_value_get_rgba (_gtk_style_context_peek_property (context, 
GTK_CSS_PROPERTY_BACKGROUND_COLOR));
+      style = gtk_style_context_lookup_style (context);
+
+      selection = &style->background->_background_color;
+      text_color = style->core->_color;
 
-      gtk_style_context_get_color (context, &text_color);
       draw_selection_text = text_color.alpha > 0;
 
       gtk_style_context_restore (context);
diff --git a/gtk/gtktextutil.c b/gtk/gtktextutil.c
index 75f081732a..cf192981a2 100644
--- a/gtk/gtktextutil.c
+++ b/gtk/gtktextutil.c
@@ -133,7 +133,7 @@ gtk_text_util_create_drag_icon (GtkWidget *widget,
   snapshot = gtk_snapshot_new ();
 
   style = gtk_css_node_get_style (gtk_widget_get_css_node (widget));
-  color = gtk_css_color_value_get_rgba (style->core->color);
+  color = &style->core->_color;
 
   display = gtk_widget_get_display (widget);
 
@@ -175,8 +175,8 @@ set_attributes_from_style (GtkWidget         *widget,
 
   style = gtk_css_node_get_style (gtk_widget_get_css_node (widget));
 
-  *values->appearance.bg_rgba = *gtk_css_color_value_get_rgba (style->background->background_color);
-  *values->appearance.fg_rgba = *gtk_css_color_value_get_rgba (style->core->color);
+  *values->appearance.bg_rgba = style->background->_background_color;
+  *values->appearance.fg_rgba = style->core->_color;
 
   if (values->font)
     pango_font_description_free (values->font);
diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c
index 2e600e01bb..c7b1b517b1 100644
--- a/gtk/gtktextview.c
+++ b/gtk/gtktextview.c
@@ -7714,10 +7714,8 @@ gtk_text_view_set_attributes_from_style (GtkTextView        *text_view,
 
   style = gtk_css_node_get_style (gtk_widget_get_css_node (GTK_WIDGET (text_view)));
 
-  color = gtk_css_color_value_get_rgba (style->background->background_color);
-  *values->appearance.bg_rgba = *color;
-  color = gtk_css_color_value_get_rgba (style->core->color);
-  *values->appearance.fg_rgba = *color;
+  *values->appearance.bg_rgba = style->background->_background_color;
+  *values->appearance.fg_rgba = style->core->_color;
 
   if (values->font)
     pango_font_description_free (values->font);
@@ -7728,9 +7726,7 @@ gtk_text_view_set_attributes_from_style (GtkTextView        *text_view,
 
   decoration_line = _gtk_css_text_decoration_line_value_get (style->font_variant->text_decoration_line);
   decoration_style = _gtk_css_text_decoration_style_value_get (style->font_variant->text_decoration_style);
-  decoration_color = gtk_css_color_value_get_rgba (style->font_variant->text_decoration_color
-                                                   ? style->font_variant->text_decoration_color
-                                                   : style->core->color);
+  decoration_color = style->font_variant->text_decoration_color ? gtk_css_color_value_get_rgba 
(style->font_variant->text_decoration_color) : &style->core->_color;
 
   if (decoration_line & GTK_CSS_TEXT_DECORATION_LINE_UNDERLINE)
     {
diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index 07e02ee7d4..a1d096d04a 100644
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -2687,8 +2687,8 @@ gtk_tree_view_get_expander_size (GtkTreeView *tree_view)
   gtk_style_context_add_class (context, "expander");
 
   style = gtk_style_context_lookup_style (context);
-  min_width = _gtk_css_number_value_get (style->size->min_width, 100);
-  min_height = _gtk_css_number_value_get (style->size->min_height, 100);
+  min_width = style->size->_min_size[GTK_ORIENTATION_HORIZONTAL];
+  min_height = style->size->_min_size[GTK_ORIENTATION_VERTICAL];
 
   gtk_style_context_restore (context);
 
@@ -4173,11 +4173,12 @@ gtk_tree_view_snapshot_grid_line (GtkTreeView            *tree_view,
 {
   GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (tree_view);
   GtkStyleContext *context;
+  GtkCssStyle *style;
   const GdkRGBA *grid_line_color;
 
   context = gtk_widget_get_style_context (GTK_WIDGET (tree_view));
-  grid_line_color = gtk_css_color_value_get_rgba (_gtk_style_context_peek_property (context,
-                                                                                    
GTK_CSS_PROPERTY_BORDER_TOP_COLOR));
+  style = gtk_style_context_lookup_style (context);
+  grid_line_color = style->border->border_top_color ? &style->border->_border_color[GTK_CSS_TOP] : 
&style->core->_color;
 
   if (!gdk_rgba_equal (grid_line_color, &priv->grid_line_color) ||
       (orientation == GTK_ORIENTATION_HORIZONTAL && !priv->horizontal_grid_line_texture) ||
@@ -4248,11 +4249,12 @@ gtk_tree_view_snapshot_tree_line (GtkTreeView            *tree_view,
 {
   GtkTreeViewPrivate *priv = gtk_tree_view_get_instance_private (tree_view);
   GtkStyleContext *context;
+  GtkCssStyle *style;
   const GdkRGBA *tree_line_color;
 
   context = gtk_widget_get_style_context (GTK_WIDGET (tree_view));
-  tree_line_color = gtk_css_color_value_get_rgba (_gtk_style_context_peek_property (context,
-                                                                                    
GTK_CSS_PROPERTY_BORDER_LEFT_COLOR));
+  style = gtk_style_context_lookup_style (context);
+  tree_line_color = style->border->border_left_color ? &style->border->_border_color[GTK_CSS_LEFT] : 
&style->core->_color;
 
   if (!gdk_rgba_equal (tree_line_color, &priv->tree_line_color) ||
       (orientation == GTK_ORIENTATION_HORIZONTAL && !priv->horizontal_tree_line_texture) ||
@@ -5528,7 +5530,7 @@ get_separator_height (GtkTreeView *tree_view)
   gtk_style_context_add_class (context, "separator");
 
   style = gtk_style_context_lookup_style (context);
-  d = _gtk_css_number_value_get (style->size->min_height, 100);
+  d = style->size->_min_size[GTK_ORIENTATION_VERTICAL];
 
   if (d < 1)
     min_size = ceil (d);
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index dda5a1f042..ce95278975 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -3671,45 +3671,43 @@ gtk_widget_get_frame_clock (GtkWidget *widget)
     }
 }
 
-static int
-get_number (GtkCssValue *value)
+static inline int
+ceil_or_floor (float d)
 {
-  double d = _gtk_css_number_value_get (value, 100);
-
   if (d < 1)
-    return ceil (d);
+    return ceilf (d);
   else
-    return floor (d);
+    return floorf (d);
 }
 
-static void
+static inline void
 get_box_margin (GtkCssStyle *style,
                 GtkBorder   *margin)
 {
-  margin->top = get_number (style->size->margin_top);
-  margin->left = get_number (style->size->margin_left);
-  margin->bottom = get_number (style->size->margin_bottom);
-  margin->right = get_number (style->size->margin_right);
+  margin->top = ceil_or_floor (style->size->_margin[GTK_CSS_TOP]);
+  margin->right = ceil_or_floor (style->size->_margin[GTK_CSS_RIGHT]);
+  margin->bottom = ceil_or_floor (style->size->_margin[GTK_CSS_BOTTOM]);
+  margin->left = ceil_or_floor (style->size->_margin[GTK_CSS_LEFT]);
 }
 
-static void
+static inline void
 get_box_border (GtkCssStyle *style,
                 GtkBorder   *border)
 {
-  border->top = get_number (style->border->border_top_width);
-  border->left = get_number (style->border->border_left_width);
-  border->bottom = get_number (style->border->border_bottom_width);
-  border->right = get_number (style->border->border_right_width);
+  border->top = ceil_or_floor (style->border->_border_width[GTK_CSS_TOP]);
+  border->right = ceil_or_floor (style->border->_border_width[GTK_CSS_RIGHT]);
+  border->bottom = ceil_or_floor (style->border->_border_width[GTK_CSS_BOTTOM]);
+  border->left = ceil_or_floor (style->border->_border_width[GTK_CSS_LEFT]);
 }
 
-static void
+static inline void
 get_box_padding (GtkCssStyle *style,
-                 GtkBorder   *border)
+                 GtkBorder   *padding)
 {
-  border->top = get_number (style->size->padding_top);
-  border->left = get_number (style->size->padding_left);
-  border->bottom = get_number (style->size->padding_bottom);
-  border->right = get_number (style->size->padding_right);
+  padding->top = ceil_or_floor (style->size->_padding[GTK_CSS_TOP]);
+  padding->right = ceil_or_floor (style->size->_padding[GTK_CSS_RIGHT]);
+  padding->bottom = ceil_or_floor (style->size->_padding[GTK_CSS_BOTTOM]);
+  padding->left = ceil_or_floor (style->size->_padding[GTK_CSS_LEFT]);
 }
 
 /**
@@ -6428,7 +6426,7 @@ gtk_widget_update_pango_context (GtkWidget        *widget,
                                          ? PANGO_DIRECTION_LTR
                                          : PANGO_DIRECTION_RTL);
 
-  pango_cairo_context_set_resolution (context, _gtk_css_number_value_get (style->core->dpi, 100));
+  pango_cairo_context_set_resolution (context, style->core->_dpi);
 
   font_options = (cairo_font_options_t*)g_object_get_qdata (G_OBJECT (widget), quark_font_options);
   if (settings && font_options)
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index efd1cff6f0..f9bb413337 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -1340,25 +1340,23 @@ constraints_for_edge (GdkSurfaceEdge edge)
     }
 }
 
-static int
-get_number (GtkCssValue *value)
+static inline int
+ceil_or_floor (float d)
 {
-  double d = _gtk_css_number_value_get (value, 100);
-
   if (d < 1)
-    return ceil (d);
+    return ceilf (d);
   else
-    return floor (d);
+    return floorf (d);
 }
 
-static void
+static inline void
 get_box_border (GtkCssStyle *style,
                 GtkBorder   *border)
 {
-  border->top = get_number (style->border->border_top_width) + get_number (style->size->padding_top);
-  border->left = get_number (style->border->border_left_width) + get_number (style->size->padding_left);
-  border->bottom = get_number (style->border->border_bottom_width) + get_number 
(style->size->padding_bottom);
-  border->right = get_number (style->border->border_right_width) + get_number (style->size->padding_right);
+  border->top = ceil_or_floor (style->border->_border_width[GTK_CSS_TOP]) + ceil_or_floor 
(style->size->_padding[GTK_CSS_TOP]);
+  border->right = ceil_or_floor (style->border->_border_width[GTK_CSS_RIGHT]) + ceil_or_floor 
(style->size->_padding[GTK_CSS_RIGHT]);
+  border->bottom = ceil_or_floor (style->border->_border_width[GTK_CSS_BOTTOM]) + ceil_or_floor 
(style->size->_padding[GTK_CSS_BOTTOM]);
+  border->left = ceil_or_floor (style->border->_border_width[GTK_CSS_LEFT]) + ceil_or_floor 
(style->size->_padding[GTK_CSS_LEFT]);
 }
 
 static int
diff --git a/gtk/inspector/layoutoverlay.c b/gtk/inspector/layoutoverlay.c
index a72a40940e..b977bd077f 100644
--- a/gtk/inspector/layoutoverlay.c
+++ b/gtk/inspector/layoutoverlay.c
@@ -20,45 +20,43 @@ struct _GtkLayoutOverlayClass
 G_DEFINE_TYPE (GtkLayoutOverlay, gtk_layout_overlay, GTK_TYPE_INSPECTOR_OVERLAY)
 
 
-static int
-get_number (GtkCssValue *value)
+static inline int
+ceil_or_floor (float d)
 {
-  double d = _gtk_css_number_value_get (value, 100);
-
   if (d < 1)
-    return ceil (d);
+    return ceilf (d);
   else
-    return floor (d);
+    return floorf (d);
 }
 
-static void
+static inline void
 get_box_margin (GtkCssStyle *style,
                 GtkBorder   *margin)
 {
-  margin->top = get_number (style->size->margin_top);
-  margin->left = get_number (style->size->margin_left);
-  margin->bottom = get_number (style->size->margin_bottom);
-  margin->right = get_number (style->size->margin_right);
+  margin->top = ceil_or_floor (style->size->_margin[GTK_CSS_TOP]);
+  margin->right = ceil_or_floor (style->size->_margin[GTK_CSS_RIGHT]);
+  margin->bottom = ceil_or_floor (style->size->_margin[GTK_CSS_BOTTOM]);
+  margin->left = ceil_or_floor (style->size->_margin[GTK_CSS_LEFT]);
 }
 
-static void
+static inline void
 get_box_border (GtkCssStyle *style,
                 GtkBorder   *border)
 {
-  border->top = get_number (style->border->border_top_width);
-  border->left = get_number (style->border->border_left_width);
-  border->bottom = get_number (style->border->border_bottom_width);
-  border->right = get_number (style->border->border_right_width);
+  border->top = ceil_or_floor (style->border->_border_width[GTK_CSS_TOP]);
+  border->right = ceil_or_floor (style->border->_border_width[GTK_CSS_RIGHT]);
+  border->bottom = ceil_or_floor (style->border->_border_width[GTK_CSS_BOTTOM]);
+  border->left = ceil_or_floor (style->border->_border_width[GTK_CSS_LEFT]);
 }
 
-static void
+static inline void
 get_box_padding (GtkCssStyle *style,
-                 GtkBorder   *border)
+                 GtkBorder   *padding)
 {
-  border->top = get_number (style->size->padding_top);
-  border->left = get_number (style->size->padding_left);
-  border->bottom = get_number (style->size->padding_bottom);
-  border->right = get_number (style->size->padding_right);
+  padding->top = ceil_or_floor (style->size->_padding[GTK_CSS_TOP]);
+  padding->right = ceil_or_floor (style->size->_padding[GTK_CSS_RIGHT]);
+  padding->bottom = ceil_or_floor (style->size->_padding[GTK_CSS_BOTTOM]);
+  padding->left = ceil_or_floor (style->size->_padding[GTK_CSS_LEFT]);
 }
 
 static void


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