[gtk+] Adwaita: titlebutton are flat image-buttons



commit 2de06993d56107fa6ebcee764929c20dc4d44cc6
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Fri Aug 29 16:52:21 2014 +0200

    Adwaita: titlebutton are flat image-buttons
    
    Hence treat them like those, a bunch of special case styling
    removed, which also doesn't override selection mode buttons
    styling.

 gtk/resources/theme/Adwaita/_common.scss           |   17 +-
 gtk/resources/theme/Adwaita/gtk-contained-dark.css |  370 ++++++++++++++------
 gtk/resources/theme/Adwaita/gtk-contained.css      |  370 ++++++++++++++------
 3 files changed, 535 insertions(+), 222 deletions(-)
---
diff --git a/gtk/resources/theme/Adwaita/_common.scss b/gtk/resources/theme/Adwaita/_common.scss
index f24c77c..2679540 100644
--- a/gtk/resources/theme/Adwaita/_common.scss
+++ b/gtk/resources/theme/Adwaita/_common.scss
@@ -981,7 +981,7 @@ GtkComboBox {
   }
   &.selection-mode {
     color: $selected_fg_color;
-    text-shadow: 0 1px transparentize(black, 0.5);
+    text-shadow: 0 -1px transparentize(black, 0.5);
     border-color: $selected_borders_color;
     background-image: linear-gradient(to bottom,
                                       lighten($selected_bg_color,5%),
@@ -2676,18 +2676,7 @@ GtkVolumeButton.button { padding: 8px; }
 // Window Close button
 .header-bar .button.titlebutton,
 .titlebar .button.titlebutton {
-  padding: 8px;
-  border-color: transparent;
-  background-image: none;
-  transition-property: border, box-shadow, color;
-  box-shadow: inset 0 1px transparentize(white,1),
-              0 1px transparentize($borders_edge,1);
-  &:hover { @include button(normal); }
-  &:active { @include button(active); }
-  &:backdrop {
-    @include button(backdrop);
-    border-color: transparent;
-    transition-property: border, box-shadow, color;
-  }
+  @extend .button.flat;
+  @extend .image-button;
 }
 
diff --git a/gtk/resources/theme/Adwaita/gtk-contained-dark.css 
b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
index 19e1ea3..9c630d1 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
@@ -277,7 +277,9 @@ GtkTextView {
   text-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
   icon-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
   box-shadow: inset 0 1px rgba(255, 255, 255, 0.1), 0 1px rgba(238, 238, 236, 0.1); }
-  .button:hover, .button.flat:hover {
+  .button:hover, .button.flat:hover, .header-bar .button.titlebutton:hover,
+  .titlebar .button.titlebutton:hover,
+  GtkCalendar.header .button.titlebutton:hover {
     color: #eeeeec;
     border-color: #1c1f1f;
     background-image: linear-gradient(to bottom, #5b6464, #434a4a 40%, #393f3f);
@@ -285,7 +287,11 @@ GtkTextView {
     icon-shadow: 0 -1px rgba(0, 0, 0, 0.77976);
     box-shadow: inset 0 1px rgba(255, 255, 255, 0.1), 0 1px rgba(238, 238, 236, 0.1);
     -gtk-image-effect: highlight; }
-  .button:active, .button.flat:active, .button:checked, .button.flat:checked {
+  .button:active, .button.flat:active, .header-bar .button.titlebutton:active,
+  .titlebar .button.titlebutton:active,
+  GtkCalendar.header .button.titlebutton:active, .button:checked, .button.flat:checked, .header-bar 
.button.titlebutton:checked,
+  .titlebar .button.titlebutton:checked,
+  GtkCalendar.header .button.titlebutton:checked {
     color: #eeeeec;
     border-color: #1c1f1f;
     background-image: linear-gradient(to bottom, #232727, #2d3232);
@@ -331,14 +337,22 @@ GtkTextView {
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0.1); }
     .button:insensitive > GtkLabel {
       color: inherit; }
-    .button:insensitive:active, .button:insensitive.flat:active, .button:insensitive:checked, 
.button:insensitive.flat:checked {
+    .button:insensitive:active, .button:insensitive.flat:active, .header-bar 
.button.titlebutton:insensitive:active,
+    .titlebar .button.titlebutton:insensitive:active,
+    GtkCalendar.header .button.titlebutton:insensitive:active, .button:insensitive:checked, 
.button:insensitive.flat:checked, .header-bar .button.titlebutton:insensitive:checked,
+    .titlebar .button.titlebutton:insensitive:checked,
+    GtkCalendar.header .button.titlebutton:insensitive:checked {
       color: #939695;
       border-color: #1c1f1f;
       color: #939695;
       border-color: #1c1f1f;
       background-image: linear-gradient(to bottom, #2f3333, #323636);
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0.1); }
-      .button:insensitive:active > GtkLabel, .button:insensitive.flat:active > GtkLabel, 
.button:insensitive:checked > GtkLabel, .button:insensitive.flat:checked > GtkLabel {
+      .button:insensitive:active > GtkLabel, .button:insensitive.flat:active > GtkLabel, .header-bar 
.button.titlebutton:insensitive:active > GtkLabel,
+      .titlebar .button.titlebutton:insensitive:active > GtkLabel,
+      GtkCalendar.header .button.titlebutton:insensitive:active > GtkLabel, .button:insensitive:checked > 
GtkLabel, .button:insensitive.flat:checked > GtkLabel, .header-bar .button.titlebutton:insensitive:checked > 
GtkLabel,
+      .titlebar .button.titlebutton:insensitive:checked > GtkLabel,
+      GtkCalendar.header .button.titlebutton:insensitive:checked > GtkLabel {
         color: inherit; }
   .button.osd {
     color: #eeeeec;
@@ -353,7 +367,9 @@ GtkTextView {
     icon-shadow: 0 1px black;
     border-color: rgba(255, 255, 255, 0.1);
     box-shadow: none; }
-    .button.osd.image-button {
+    .button.osd.image-button, .header-bar .button.osd.titlebutton,
+    .titlebar .button.osd.titlebutton,
+    GtkCalendar.header .button.osd.titlebutton {
       padding: 13px; }
     .button.osd:hover {
       color: white;
@@ -605,12 +621,20 @@ GtkTextView {
         box-shadow: none;
         text-shadow: none;
         icon-shadow: none; }
-  .button.image-button, .button.image-button {
+  .button.image-button, .header-bar .button.titlebutton,
+  .titlebar .button.titlebutton,
+  GtkCalendar.header .button.titlebutton, .button.image-button, .header-bar .button.titlebutton,
+  .titlebar .button.titlebutton,
+  GtkCalendar.header .button.titlebutton {
     padding: 8px; }
   .button.text-button {
     padding-left: 16px;
     padding-right: 16px; }
-  .action-bar .stack-switcher .button.image-button, .header-bar .stack-switcher .button.image-button {
+  .action-bar .stack-switcher .button.image-button, .action-bar .stack-switcher .header-bar 
.button.titlebutton, .header-bar .action-bar .stack-switcher .button.titlebutton,
+  .action-bar .stack-switcher .titlebar .button.titlebutton,
+  .titlebar .action-bar .stack-switcher .button.titlebutton,
+  .action-bar .stack-switcher GtkCalendar.header .button.titlebutton,
+  GtkCalendar.header .action-bar .stack-switcher .button.titlebutton, .header-bar .stack-switcher 
.button.image-button, .header-bar .stack-switcher .button.titlebutton {
     padding: 5px 2px; }
   .action-bar .stack-switcher .button.text-button, .header-bar .stack-switcher .button.text-button {
     padding-left: 10px;
@@ -741,48 +765,116 @@ GtkTextView {
     .inline-toolbar GtkToolButton > .button:backdrop:insensitive:checked > GtkLabel {
       color: inherit; }
 
-.inline-toolbar.toolbar GtkToolButton > .button.flat, .inline-toolbar GtkToolButton > .button.flat, 
.inline-toolbar.search-bar GtkToolButton > .button.flat, .inline-toolbar.location-bar GtkToolButton > 
.button.flat,
+.inline-toolbar.toolbar GtkToolButton > .button.flat, .inline-toolbar GtkToolButton > .button.flat, 
.inline-toolbar.search-bar GtkToolButton > .button.flat, .inline-toolbar.location-bar GtkToolButton > 
.button.flat, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton, .header-bar .inline-toolbar 
GtkToolButton > .button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop > .button.flat,
 .inline-toolbar GtkToolButton:backdrop > .button.flat,
 .inline-toolbar.search-bar GtkToolButton:backdrop > .button.flat,
-.inline-toolbar.location-bar GtkToolButton:backdrop > .button.flat, .osd .button:hover, .osd .button:active, 
.osd .button:checked, .osd .button:backdrop:active, .osd .button:backdrop:checked, .osd .button:insensitive, 
.osd .button:backdrop:insensitive, .osd .button:backdrop, .osd .button.suggested-action, .osd 
.button.suggested-action:hover, .osd .button.suggested-action:active, .osd .button.suggested-action:checked, 
.osd .button.suggested-action:backdrop:active, .osd .button.suggested-action:backdrop:checked, .osd 
.button.suggested-action:insensitive, .osd .button.suggested-action:backdrop:insensitive, .osd 
.button.suggested-action:backdrop, .osd .button.destructive-action, .osd .button.destructive-action:hover, 
.osd .button.destructive-action:active, .osd .button.destructive-action:checked, .osd 
.button.destructive-action:backdrop:active, .osd .button.destructive-action:backdrop:checked, .osd 
.button.destructive-action:insensitive, .osd .button.destructive-action:backdrop:
 insensitive, .osd .button.destructive-action:backdrop, .inline-toolbar .button, .inline-toolbar 
.button:backdrop, .linked .button, .linked .button:hover, .linked .button:active, .linked .button:checked, 
.linked .button:backdrop, GtkComboBox.combobox-entry .entry, GtkComboBox.combobox-entry .button, 
GtkComboBox.combobox-entry .button:backdrop, .linked > GtkComboBox > .button:dir(ltr) {
+.inline-toolbar.location-bar GtkToolButton:backdrop > .button.flat,
+.inline-toolbar .header-bar GtkToolButton:backdrop > .button.titlebutton,
+.header-bar .inline-toolbar GtkToolButton:backdrop > .button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:backdrop > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:backdrop > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:backdrop > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:backdrop > .button.titlebutton, .osd .button:hover, .osd 
.button:active, .osd .button:checked, .osd .button:backdrop:active, .osd .button:backdrop:checked, .osd 
.button:insensitive, .osd .button:backdrop:insensitive, .osd .button:backdrop, .osd .button.suggested-action, 
.osd .button.suggested-action:hover, .osd .button.suggested-action:active, .osd 
.button.suggested-action:checked, .osd .button.suggested-action:backdrop:active, .osd 
.button.suggested-action:backdrop:checked, .osd .button.suggested-action:insensitive, .osd 
.button.suggested-action:backdrop:insensitive, .osd .button.suggested-action:backdrop, .osd 
.button.destructive-action, .osd .button.destructive-action:hover, .osd .button.destructive-action:active, 
.osd .button.destructive-action:checked, .osd .button.destructive-action:backdrop:active, .osd 
.button.destructive-action:backdrop:checked, .osd .button.destructive-action:insensitive, .osd 
.button.destructive-act
 ion:backdrop:insensitive, .osd .button.destructive-action:backdrop, .inline-toolbar .button, .inline-toolbar 
.button:backdrop, .linked .button, .linked .button:hover, .linked .button:active, .linked .button:checked, 
.linked .button:backdrop, GtkComboBox.combobox-entry .entry, GtkComboBox.combobox-entry .button, 
GtkComboBox.combobox-entry .button:backdrop, .linked > GtkComboBox > .button:dir(ltr) {
   border-radius: 0;
   border-left-style: none; }
-  .inline-toolbar GtkToolButton > .button.flat:dir(rtl),
-  .inline-toolbar GtkToolButton:backdrop > .button.flat:dir(rtl), .inline-toolbar.toolbar 
GtkToolButton:dir(rtl) > .button.flat, .inline-toolbar GtkToolButton:dir(rtl) > .button.flat, 
.inline-toolbar.search-bar GtkToolButton:dir(rtl) > .button.flat, .inline-toolbar.location-bar 
GtkToolButton:dir(rtl) > .button.flat,
+  .inline-toolbar GtkToolButton > .button.flat:dir(rtl), .inline-toolbar .header-bar GtkToolButton > 
.button.titlebutton:dir(rtl), .header-bar .inline-toolbar GtkToolButton > .button.titlebutton:dir(rtl),
+  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:dir(rtl),
+  .titlebar .inline-toolbar GtkToolButton > .button.titlebutton:dir(rtl),
+  .inline-toolbar GtkCalendar.header GtkToolButton > .button.titlebutton:dir(rtl),
+  GtkCalendar.header .inline-toolbar GtkToolButton > .button.titlebutton:dir(rtl),
+  .inline-toolbar GtkToolButton:backdrop > .button.flat:dir(rtl), .inline-toolbar.toolbar 
GtkToolButton:dir(rtl) > .button.flat, .inline-toolbar GtkToolButton:dir(rtl) > .button.flat, 
.inline-toolbar.search-bar GtkToolButton:dir(rtl) > .button.flat, .inline-toolbar.location-bar 
GtkToolButton:dir(rtl) > .button.flat, .inline-toolbar .header-bar GtkToolButton:dir(rtl) > 
.button.titlebutton, .header-bar .inline-toolbar GtkToolButton:dir(rtl) > .button.titlebutton,
+  .inline-toolbar .titlebar GtkToolButton:dir(rtl) > .button.titlebutton,
+  .titlebar .inline-toolbar GtkToolButton:dir(rtl) > .button.titlebutton,
+  .inline-toolbar GtkCalendar.header GtkToolButton:dir(rtl) > .button.titlebutton,
+  GtkCalendar.header .inline-toolbar GtkToolButton:dir(rtl) > .button.titlebutton,
   .inline-toolbar.toolbar GtkToolButton:backdrop:dir(rtl) > .button.flat,
   .inline-toolbar GtkToolButton:backdrop:dir(rtl) > .button.flat,
   .inline-toolbar.search-bar GtkToolButton:backdrop:dir(rtl) > .button.flat,
-  .inline-toolbar.location-bar GtkToolButton:backdrop:dir(rtl) > .button.flat, .osd .button:dir(rtl):hover, 
.osd .button:dir(rtl):active, .osd .button:dir(rtl):checked, .osd .button:dir(rtl):insensitive, .osd 
.button:dir(rtl):backdrop, .osd .button.suggested-action:dir(rtl), .osd .button.destructive-action:dir(rtl), 
.inline-toolbar .button:dir(rtl), .linked .button:dir(rtl), GtkComboBox.combobox-entry .entry:dir(rtl), 
GtkComboBox.combobox-entry .button:dir(rtl), .linked > GtkComboBox > .button:dir(rtl) {
+  .inline-toolbar.location-bar GtkToolButton:backdrop:dir(rtl) > .button.flat,
+  .inline-toolbar .header-bar GtkToolButton:backdrop:dir(rtl) > .button.titlebutton,
+  .header-bar .inline-toolbar GtkToolButton:backdrop:dir(rtl) > .button.titlebutton,
+  .inline-toolbar .titlebar GtkToolButton:backdrop:dir(rtl) > .button.titlebutton,
+  .titlebar .inline-toolbar GtkToolButton:backdrop:dir(rtl) > .button.titlebutton,
+  .inline-toolbar GtkCalendar.header GtkToolButton:backdrop:dir(rtl) > .button.titlebutton,
+  GtkCalendar.header .inline-toolbar GtkToolButton:backdrop:dir(rtl) > .button.titlebutton, .osd 
.button:dir(rtl):hover, .osd .button:dir(rtl):active, .osd .button:dir(rtl):checked, .osd 
.button:dir(rtl):insensitive, .osd .button:dir(rtl):backdrop, .osd .button.suggested-action:dir(rtl), .osd 
.button.destructive-action:dir(rtl), .inline-toolbar .button:dir(rtl), .linked .button:dir(rtl), 
GtkComboBox.combobox-entry .entry:dir(rtl), GtkComboBox.combobox-entry .button:dir(rtl), .linked > 
GtkComboBox > .button:dir(rtl) {
     border-radius: 0;
     border-right-style: none;
     border-left-style: solid; }
 
-.osd .button:first-child:hover, .osd .button:first-child:active, .osd .button:first-child:checked, .osd 
.button:first-child:insensitive, .osd .button:first-child:backdrop, .osd 
.button.suggested-action:first-child, .osd .button.destructive-action:first-child, .inline-toolbar 
.button:first-child, .linked .button:first-child, .inline-toolbar.toolbar GtkToolButton:first-child > 
.button.flat, .inline-toolbar GtkToolButton:first-child > .button.flat, .inline-toolbar.search-bar 
GtkToolButton:first-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:first-child > 
.button.flat,
+.osd .button:first-child:hover, .osd .button:first-child:active, .osd .button:first-child:checked, .osd 
.button:first-child:insensitive, .osd .button:first-child:backdrop, .osd 
.button.suggested-action:first-child, .osd .button.destructive-action:first-child, .inline-toolbar 
.button:first-child, .linked .button:first-child, .inline-toolbar.toolbar GtkToolButton:first-child > 
.button.flat, .inline-toolbar GtkToolButton:first-child > .button.flat, .inline-toolbar.search-bar 
GtkToolButton:first-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:first-child > 
.button.flat, .inline-toolbar .header-bar GtkToolButton:first-child > .button.titlebutton, .header-bar 
.inline-toolbar GtkToolButton:first-child > .button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:first-child > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:first-child > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:first-child > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:first-child > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop:first-child > .button.flat,
 .inline-toolbar GtkToolButton:backdrop:first-child > .button.flat,
 .inline-toolbar.search-bar GtkToolButton:backdrop:first-child > .button.flat,
-.inline-toolbar.location-bar GtkToolButton:backdrop:first-child > .button.flat, GtkComboBox.combobox-entry 
.entry:first-child, GtkComboBox.combobox-entry .button:first-child, .linked > GtkComboBox:first-child > 
.button {
+.inline-toolbar.location-bar GtkToolButton:backdrop:first-child > .button.flat,
+.inline-toolbar .header-bar GtkToolButton:backdrop:first-child > .button.titlebutton,
+.header-bar .inline-toolbar GtkToolButton:backdrop:first-child > .button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:backdrop:first-child > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:backdrop:first-child > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:backdrop:first-child > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:backdrop:first-child > .button.titlebutton, 
GtkComboBox.combobox-entry .entry:first-child, GtkComboBox.combobox-entry .button:first-child, .linked > 
GtkComboBox:first-child > .button {
   border-radius: 3px 0 0 3px;
   border-left-style: solid; }
-.osd .button:last-child:hover, .osd .button:last-child:active, .osd .button:last-child:checked, .osd 
.button:last-child:insensitive, .osd .button:last-child:backdrop, .osd .button.suggested-action:last-child, 
.osd .button.destructive-action:last-child, .inline-toolbar .button:last-child, .linked .button:last-child, 
.inline-toolbar.toolbar GtkToolButton:last-child > .button.flat, .inline-toolbar GtkToolButton:last-child > 
.button.flat, .inline-toolbar.search-bar GtkToolButton:last-child > .button.flat, 
.inline-toolbar.location-bar GtkToolButton:last-child > .button.flat,
+.osd .button:last-child:hover, .osd .button:last-child:active, .osd .button:last-child:checked, .osd 
.button:last-child:insensitive, .osd .button:last-child:backdrop, .osd .button.suggested-action:last-child, 
.osd .button.destructive-action:last-child, .inline-toolbar .button:last-child, .linked .button:last-child, 
.inline-toolbar.toolbar GtkToolButton:last-child > .button.flat, .inline-toolbar GtkToolButton:last-child > 
.button.flat, .inline-toolbar.search-bar GtkToolButton:last-child > .button.flat, 
.inline-toolbar.location-bar GtkToolButton:last-child > .button.flat, .inline-toolbar .header-bar 
GtkToolButton:last-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:last-child > 
.button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:last-child > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:last-child > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:last-child > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:last-child > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop:last-child > .button.flat,
 .inline-toolbar GtkToolButton:backdrop:last-child > .button.flat,
 .inline-toolbar.search-bar GtkToolButton:backdrop:last-child > .button.flat,
-.inline-toolbar.location-bar GtkToolButton:backdrop:last-child > .button.flat, GtkComboBox.combobox-entry 
.entry:last-child, GtkComboBox.combobox-entry .button:last-child, .linked > GtkComboBox:last-child > .button {
+.inline-toolbar.location-bar GtkToolButton:backdrop:last-child > .button.flat,
+.inline-toolbar .header-bar GtkToolButton:backdrop:last-child > .button.titlebutton,
+.header-bar .inline-toolbar GtkToolButton:backdrop:last-child > .button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:backdrop:last-child > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:backdrop:last-child > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:backdrop:last-child > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:backdrop:last-child > .button.titlebutton, 
GtkComboBox.combobox-entry .entry:last-child, GtkComboBox.combobox-entry .button:last-child, .linked > 
GtkComboBox:last-child > .button {
   border-radius: 0 3px 3px 0; }
-  .osd .button:last-child:dir(rtl):hover, .osd .button:last-child:dir(rtl):active, .osd 
.button:last-child:dir(rtl):checked, .osd .button:last-child:dir(rtl):insensitive, .osd 
.button:last-child:dir(rtl):backdrop, .osd .button.suggested-action:last-child:dir(rtl), .osd 
.button.destructive-action:last-child:dir(rtl), .inline-toolbar .button:last-child:dir(rtl), .linked 
.button:last-child:dir(rtl), .inline-toolbar GtkToolButton:last-child > .button.flat:dir(rtl),
-  .inline-toolbar GtkToolButton:backdrop:last-child > .button.flat:dir(rtl), .inline-toolbar.toolbar 
GtkToolButton:last-child:dir(rtl) > .button.flat, .inline-toolbar GtkToolButton:last-child:dir(rtl) > 
.button.flat, .inline-toolbar.search-bar GtkToolButton:last-child:dir(rtl) > .button.flat, 
.inline-toolbar.location-bar GtkToolButton:last-child:dir(rtl) > .button.flat,
+  .osd .button:last-child:dir(rtl):hover, .osd .button:last-child:dir(rtl):active, .osd 
.button:last-child:dir(rtl):checked, .osd .button:last-child:dir(rtl):insensitive, .osd 
.button:last-child:dir(rtl):backdrop, .osd .button.suggested-action:last-child:dir(rtl), .osd 
.button.destructive-action:last-child:dir(rtl), .inline-toolbar .button:last-child:dir(rtl), .linked 
.button:last-child:dir(rtl), .inline-toolbar GtkToolButton:last-child > .button.flat:dir(rtl), 
.inline-toolbar .header-bar GtkToolButton:last-child > .button.titlebutton:dir(rtl), .header-bar 
.inline-toolbar GtkToolButton:last-child > .button.titlebutton:dir(rtl),
+  .inline-toolbar .titlebar GtkToolButton:last-child > .button.titlebutton:dir(rtl),
+  .titlebar .inline-toolbar GtkToolButton:last-child > .button.titlebutton:dir(rtl),
+  .inline-toolbar GtkCalendar.header GtkToolButton:last-child > .button.titlebutton:dir(rtl),
+  GtkCalendar.header .inline-toolbar GtkToolButton:last-child > .button.titlebutton:dir(rtl),
+  .inline-toolbar GtkToolButton:backdrop:last-child > .button.flat:dir(rtl), .inline-toolbar.toolbar 
GtkToolButton:last-child:dir(rtl) > .button.flat, .inline-toolbar GtkToolButton:last-child:dir(rtl) > 
.button.flat, .inline-toolbar.search-bar GtkToolButton:last-child:dir(rtl) > .button.flat, 
.inline-toolbar.location-bar GtkToolButton:last-child:dir(rtl) > .button.flat, .inline-toolbar .header-bar 
GtkToolButton:last-child:dir(rtl) > .button.titlebutton, .header-bar .inline-toolbar 
GtkToolButton:last-child:dir(rtl) > .button.titlebutton,
+  .inline-toolbar .titlebar GtkToolButton:last-child:dir(rtl) > .button.titlebutton,
+  .titlebar .inline-toolbar GtkToolButton:last-child:dir(rtl) > .button.titlebutton,
+  .inline-toolbar GtkCalendar.header GtkToolButton:last-child:dir(rtl) > .button.titlebutton,
+  GtkCalendar.header .inline-toolbar GtkToolButton:last-child:dir(rtl) > .button.titlebutton,
   .inline-toolbar.toolbar GtkToolButton:backdrop:last-child:dir(rtl) > .button.flat,
   .inline-toolbar GtkToolButton:backdrop:last-child:dir(rtl) > .button.flat,
   .inline-toolbar.search-bar GtkToolButton:backdrop:last-child:dir(rtl) > .button.flat,
-  .inline-toolbar.location-bar GtkToolButton:backdrop:last-child:dir(rtl) > .button.flat, 
GtkComboBox.combobox-entry .entry:last-child:dir(rtl), GtkComboBox.combobox-entry 
.button:last-child:dir(rtl), .linked > GtkComboBox:last-child > .button:dir(rtl) {
+  .inline-toolbar.location-bar GtkToolButton:backdrop:last-child:dir(rtl) > .button.flat,
+  .inline-toolbar .header-bar GtkToolButton:backdrop:last-child:dir(rtl) > .button.titlebutton,
+  .header-bar .inline-toolbar GtkToolButton:backdrop:last-child:dir(rtl) > .button.titlebutton,
+  .inline-toolbar .titlebar GtkToolButton:backdrop:last-child:dir(rtl) > .button.titlebutton,
+  .titlebar .inline-toolbar GtkToolButton:backdrop:last-child:dir(rtl) > .button.titlebutton,
+  .inline-toolbar GtkCalendar.header GtkToolButton:backdrop:last-child:dir(rtl) > .button.titlebutton,
+  GtkCalendar.header .inline-toolbar GtkToolButton:backdrop:last-child:dir(rtl) > .button.titlebutton, 
GtkComboBox.combobox-entry .entry:last-child:dir(rtl), GtkComboBox.combobox-entry 
.button:last-child:dir(rtl), .linked > GtkComboBox:last-child > .button:dir(rtl) {
     border-right-style: solid; }
-.osd .button:only-child:hover, .osd .button:only-child:active, .osd .button:only-child:checked, .osd 
.button:only-child:insensitive, .osd .button:only-child:backdrop, .osd .button.suggested-action:only-child, 
.osd .button.destructive-action:only-child, .inline-toolbar .button:only-child, .linked .button:only-child, 
.inline-toolbar.toolbar GtkToolButton:only-child > .button.flat, .inline-toolbar GtkToolButton:only-child > 
.button.flat, .inline-toolbar.search-bar GtkToolButton:only-child > .button.flat, 
.inline-toolbar.location-bar GtkToolButton:only-child > .button.flat,
+.osd .button:only-child:hover, .osd .button:only-child:active, .osd .button:only-child:checked, .osd 
.button:only-child:insensitive, .osd .button:only-child:backdrop, .osd .button.suggested-action:only-child, 
.osd .button.destructive-action:only-child, .inline-toolbar .button:only-child, .linked .button:only-child, 
.inline-toolbar.toolbar GtkToolButton:only-child > .button.flat, .inline-toolbar GtkToolButton:only-child > 
.button.flat, .inline-toolbar.search-bar GtkToolButton:only-child > .button.flat, 
.inline-toolbar.location-bar GtkToolButton:only-child > .button.flat, .inline-toolbar .header-bar 
GtkToolButton:only-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:only-child > 
.button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:only-child > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:only-child > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:only-child > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:only-child > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop:only-child > .button.flat,
 .inline-toolbar GtkToolButton:backdrop:only-child > .button.flat,
 .inline-toolbar.search-bar GtkToolButton:backdrop:only-child > .button.flat,
-.inline-toolbar.location-bar GtkToolButton:backdrop:only-child > .button.flat, GtkComboBox.combobox-entry 
.entry:only-child, GtkComboBox.combobox-entry .button:only-child, .linked > GtkComboBox:only-child > .button {
+.inline-toolbar.location-bar GtkToolButton:backdrop:only-child > .button.flat,
+.inline-toolbar .header-bar GtkToolButton:backdrop:only-child > .button.titlebutton,
+.header-bar .inline-toolbar GtkToolButton:backdrop:only-child > .button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:backdrop:only-child > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:backdrop:only-child > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:backdrop:only-child > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:backdrop:only-child > .button.titlebutton, 
GtkComboBox.combobox-entry .entry:only-child, GtkComboBox.combobox-entry .button:only-child, .linked > 
GtkComboBox:only-child > .button {
   border-radius: 3px;
   border-style: solid; }
 
@@ -798,7 +890,21 @@ GtkTextView {
     border-radius: 3px;
     border-style: solid; }
 
-.button.flat, .button.flat:backdrop, .button.flat:backdrop:insensitive, .menuitem.button.flat, 
.menuitem.button.flat:backdrop, .menuitem.button.flat:backdrop:hover, .button:link, .button:visited, 
.button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, 
.button:visited:checked, .button:link:backdrop, .button:visited:backdrop, .notebook tab .button, 
.list-row.button, .list-row.button:backdrop:hover, .app-notification.frame .button.flat, 
.app-notification.frame .button.flat:backdrop, .app-notification.frame .button.flat:insensitive, 
.app-notification.frame .button.flat:backdrop:insensitive, GtkCalendar.button, GtkCalendar.button:hover, 
.scale-popup .button:hover, .scale-popup .button:backdrop, .scale-popup .button:backdrop:hover, .scale-popup 
.button:backdrop:insensitive {
+.button.flat, .header-bar .button.titlebutton,
+.titlebar .button.titlebutton,
+GtkCalendar.header .button.titlebutton, .button.flat:backdrop, .button.flat:backdrop:insensitive, 
.header-bar .button.titlebutton:backdrop:insensitive,
+.titlebar .button.titlebutton:backdrop:insensitive,
+GtkCalendar.header .button.titlebutton:backdrop:insensitive, .menuitem.button.flat, 
.menuitem.button.flat:backdrop, .header-bar .menuitem.button.titlebutton:backdrop,
+.titlebar .menuitem.button.titlebutton:backdrop,
+GtkCalendar.header .menuitem.button.titlebutton:backdrop, .menuitem.button.flat:backdrop:hover, 
.button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, 
.button:visited:hover, .button:visited:active, .button:visited:checked, .button:link:backdrop, 
.button:visited:backdrop, .notebook tab .button, .list-row.button, .list-row.button:backdrop:hover, 
.app-notification.frame .button.flat, .app-notification.frame .header-bar .button.titlebutton, .header-bar 
.app-notification.frame .button.titlebutton,
+.app-notification.frame .titlebar .button.titlebutton,
+.titlebar .app-notification.frame .button.titlebutton,
+.app-notification.frame GtkCalendar.header .button.titlebutton,
+GtkCalendar.header .app-notification.frame .button.titlebutton, .app-notification.frame 
.button.flat:backdrop, .app-notification.frame .button.flat:insensitive, .app-notification.frame 
.button.flat:backdrop:insensitive, .app-notification.frame .header-bar 
.button.titlebutton:backdrop:insensitive, .header-bar .app-notification.frame 
.button.titlebutton:backdrop:insensitive,
+.app-notification.frame .titlebar .button.titlebutton:backdrop:insensitive,
+.titlebar .app-notification.frame .button.titlebutton:backdrop:insensitive,
+.app-notification.frame GtkCalendar.header .button.titlebutton:backdrop:insensitive,
+GtkCalendar.header .app-notification.frame .button.titlebutton:backdrop:insensitive, GtkCalendar.button, 
GtkCalendar.button:hover, .scale-popup .button:hover, .scale-popup .button:backdrop, .scale-popup 
.button:backdrop:hover, .scale-popup .button:backdrop:insensitive {
   border-color: transparent;
   background-color: transparent;
   background-image: none;
@@ -807,9 +913,13 @@ GtkTextView {
   icon-shadow: none; }
 
 /* menu buttons */
-.menuitem.button.flat {
+.menuitem.button.flat, .header-bar .menuitem.button.titlebutton,
+.titlebar .menuitem.button.titlebutton,
+GtkCalendar.header .menuitem.button.titlebutton {
   outline-offset: -1px; }
-  .menuitem.button.flat:hover {
+  .menuitem.button.flat:hover, .header-bar .menuitem.button.titlebutton:hover,
+  .titlebar .menuitem.button.titlebutton:hover,
+  GtkCalendar.header .menuitem.button.titlebutton:hover {
     background-color: #4b5050; }
 
 GtkColorButton.button {
@@ -1085,7 +1195,7 @@ GtkComboBox {
   .titlebar.selection-mode, GtkCalendar.selection-mode.header,
   .header-bar.selection-mode {
     color: #ffffff;
-    text-shadow: 0 1px rgba(0, 0, 0, 0.5);
+    text-shadow: 0 -1px rgba(0, 0, 0, 0.5);
     border-color: #0f2b48;
     background-image: linear-gradient(to bottom, #256ab1, #215d9c);
     box-shadow: inset 0 -1px #1a4b7e, inset 0 1px rgba(48, 103, 161, 0.46); }
@@ -1415,8 +1525,18 @@ GtkTreeView.view.progressbar {
   .popover.osd > .location-bar {
     border-style: none;
     background-color: transparent; }
-  .popover .button.flat,
-  .popover .button.flat:hover {
+  .popover .button.flat, .popover .header-bar .button.titlebutton, .header-bar .popover .button.titlebutton,
+  .popover .titlebar .button.titlebutton,
+  .titlebar .popover .button.titlebutton,
+  .popover GtkCalendar.header .button.titlebutton,
+  GtkCalendar.header .popover .button.titlebutton,
+  .popover .button.flat:hover,
+  .popover .header-bar .button.titlebutton:hover,
+  .header-bar .popover .button.titlebutton:hover,
+  .popover .titlebar .button.titlebutton:hover,
+  .titlebar .popover .button.titlebutton:hover,
+  .popover GtkCalendar.header .button.titlebutton:hover,
+  GtkCalendar.header .popover .button.titlebutton:hover {
     text-shadow: none;
     transition: none; }
   .popover.osd {
@@ -1860,109 +1980,145 @@ GtkSwitch {
 .check {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked-dark.png"), 
url("assets/checkbox-unchecked-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .check.button.flat {
+  .check.button.flat, .header-bar .check.button.titlebutton,
+  .titlebar .check.button.titlebutton,
+  GtkCalendar.header .check.button.titlebutton {
     icon-shadow: none; }
 
 .check:hover {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked-hover-dark.png"), 
url("assets/checkbox-unchecked-hover-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .check:hover.button.flat {
+  .check:hover.button.flat, .header-bar .check.button.titlebutton:hover,
+  .titlebar .check.button.titlebutton:hover,
+  GtkCalendar.header .check.button.titlebutton:hover {
     icon-shadow: none; }
 
 .check:active {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked-active-dark.png"), 
url("assets/checkbox-unchecked-active-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .check:active.button.flat {
+  .check:active.button.flat, .header-bar .check.button.titlebutton:active,
+  .titlebar .check.button.titlebutton:active,
+  GtkCalendar.header .check.button.titlebutton:active {
     icon-shadow: none; }
 
 .check:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked-insensitive-dark.png"), 
url("assets/checkbox-unchecked-insensitive-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .check:insensitive.button.flat {
+  .check:insensitive.button.flat, .header-bar .check.button.titlebutton:insensitive,
+  .titlebar .check.button.titlebutton:insensitive,
+  GtkCalendar.header .check.button.titlebutton:insensitive {
     icon-shadow: none; }
 
 .check:backdrop {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked-backdrop-dark.png"), 
url("assets/checkbox-unchecked-backdrop-dark 2 png"));
   icon-shadow: none; }
-  .check:backdrop.button.flat {
+  .check:backdrop.button.flat, .header-bar .check.button.titlebutton:backdrop,
+  .titlebar .check.button.titlebutton:backdrop,
+  GtkCalendar.header .check.button.titlebutton:backdrop {
     icon-shadow: none; }
 
 .check:backdrop:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked-backdrop-insensitive-dark.png"), 
url("assets/checkbox-unchecked-backdrop-insensitive-dark 2 png"));
   icon-shadow: none; }
-  .check:backdrop:insensitive.button.flat {
+  .check:backdrop:insensitive.button.flat, .header-bar .check.button.titlebutton:backdrop:insensitive,
+  .titlebar .check.button.titlebutton:backdrop:insensitive,
+  GtkCalendar.header .check.button.titlebutton:backdrop:insensitive {
     icon-shadow: none; }
 
 .check:inconsistent {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-mixed-dark.png"), url("assets/checkbox-mixed-dark 2 
png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .check:inconsistent.button.flat {
+  .check:inconsistent.button.flat, .header-bar .check.button.titlebutton:inconsistent,
+  .titlebar .check.button.titlebutton:inconsistent,
+  GtkCalendar.header .check.button.titlebutton:inconsistent {
     icon-shadow: none; }
 
 .check:inconsistent:hover {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-mixed-hover-dark.png"), 
url("assets/checkbox-mixed-hover-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .check:inconsistent:hover.button.flat {
+  .check:inconsistent:hover.button.flat, .header-bar .check.button.titlebutton:inconsistent:hover,
+  .titlebar .check.button.titlebutton:inconsistent:hover,
+  GtkCalendar.header .check.button.titlebutton:inconsistent:hover {
     icon-shadow: none; }
 
 .check:inconsistent:selected {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-mixed-active-dark.png"), 
url("assets/checkbox-mixed-active-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .check:inconsistent:selected.button.flat {
+  .check:inconsistent:selected.button.flat, .header-bar .check.button.titlebutton:inconsistent:selected,
+  .titlebar .check.button.titlebutton:inconsistent:selected,
+  GtkCalendar.header .check.button.titlebutton:inconsistent:selected {
     icon-shadow: none; }
 
 .check:inconsistent:backdrop {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-mixed-backdrop-dark.png"), 
url("assets/checkbox-mixed-backdrop-dark 2 png"));
   icon-shadow: none; }
-  .check:inconsistent:backdrop.button.flat {
+  .check:inconsistent:backdrop.button.flat, .header-bar .check.button.titlebutton:inconsistent:backdrop,
+  .titlebar .check.button.titlebutton:inconsistent:backdrop,
+  GtkCalendar.header .check.button.titlebutton:inconsistent:backdrop {
     icon-shadow: none; }
 
 .check:inconsistent:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-mixed-insensitive-dark.png"), 
url("assets/checkbox-mixed-insensitive-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .check:inconsistent:insensitive.button.flat {
+  .check:inconsistent:insensitive.button.flat, .header-bar 
.check.button.titlebutton:inconsistent:insensitive,
+  .titlebar .check.button.titlebutton:inconsistent:insensitive,
+  GtkCalendar.header .check.button.titlebutton:inconsistent:insensitive {
     icon-shadow: none; }
 
 .check:inconsistent:insensitive:backdrop {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-mixed-backdrop-insensitive-dark.png"), 
url("assets/checkbox-mixed-backdrop-insensitive-dark 2 png"));
   icon-shadow: none; }
-  .check:inconsistent:insensitive:backdrop.button.flat {
+  .check:inconsistent:insensitive:backdrop.button.flat, .header-bar 
.check.button.titlebutton:inconsistent:insensitive:backdrop,
+  .titlebar .check.button.titlebutton:inconsistent:insensitive:backdrop,
+  GtkCalendar.header .check.button.titlebutton:inconsistent:insensitive:backdrop {
     icon-shadow: none; }
 
 .check:checked {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-checked-dark.png"), url("assets/checkbox-checked-dark 2 
png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .check:checked.button.flat {
+  .check:checked.button.flat, .header-bar .check.button.titlebutton:checked,
+  .titlebar .check.button.titlebutton:checked,
+  GtkCalendar.header .check.button.titlebutton:checked {
     icon-shadow: none; }
 
 .check:checked:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-checked-insensitive-dark.png"), 
url("assets/checkbox-checked-insensitive-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .check:checked:insensitive.button.flat {
+  .check:checked:insensitive.button.flat, .header-bar .check.button.titlebutton:checked:insensitive,
+  .titlebar .check.button.titlebutton:checked:insensitive,
+  GtkCalendar.header .check.button.titlebutton:checked:insensitive {
     icon-shadow: none; }
 
 .check:checked:hover {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-checked-hover-dark.png"), 
url("assets/checkbox-checked-hover-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .check:checked:hover.button.flat {
+  .check:checked:hover.button.flat, .header-bar .check.button.titlebutton:checked:hover,
+  .titlebar .check.button.titlebutton:checked:hover,
+  GtkCalendar.header .check.button.titlebutton:checked:hover {
     icon-shadow: none; }
 
 .check:checked:active {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-checked-active-dark.png"), 
url("assets/checkbox-checked-active-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .check:checked:active.button.flat {
+  .check:checked:active.button.flat, .header-bar .check.button.titlebutton:checked:active,
+  .titlebar .check.button.titlebutton:checked:active,
+  GtkCalendar.header .check.button.titlebutton:checked:active {
     icon-shadow: none; }
 
 .check:backdrop:checked {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-checked-backdrop-dark.png"), 
url("assets/checkbox-checked-backdrop-dark 2 png"));
   icon-shadow: none; }
-  .check:backdrop:checked.button.flat {
+  .check:backdrop:checked.button.flat, .header-bar .check.button.titlebutton:backdrop:checked,
+  .titlebar .check.button.titlebutton:backdrop:checked,
+  GtkCalendar.header .check.button.titlebutton:backdrop:checked {
     icon-shadow: none; }
 
 .check:backdrop:checked:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-checked-backdrop-insensitive-dark.png"), 
url("assets/checkbox-checked-backdrop-insensitive-dark 2 png"));
   icon-shadow: none; }
-  .check:backdrop:checked:insensitive.button.flat {
+  .check:backdrop:checked:insensitive.button.flat, .header-bar 
.check.button.titlebutton:backdrop:checked:insensitive,
+  .titlebar .check.button.titlebutton:backdrop:checked:insensitive,
+  GtkCalendar.header .check.button.titlebutton:backdrop:checked:insensitive {
     icon-shadow: none; }
 
 .menu .menuitem.check {
@@ -1981,109 +2137,145 @@ GtkSwitch {
 .radio {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-unchecked-dark.png"), url("assets/radio-unchecked-dark 2 
png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .radio.button.flat {
+  .radio.button.flat, .header-bar .radio.button.titlebutton,
+  .titlebar .radio.button.titlebutton,
+  GtkCalendar.header .radio.button.titlebutton {
     icon-shadow: none; }
 
 .radio:hover {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-unchecked-hover-dark.png"), 
url("assets/radio-unchecked-hover-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .radio:hover.button.flat {
+  .radio:hover.button.flat, .header-bar .radio.button.titlebutton:hover,
+  .titlebar .radio.button.titlebutton:hover,
+  GtkCalendar.header .radio.button.titlebutton:hover {
     icon-shadow: none; }
 
 .radio:active {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-unchecked-active-dark.png"), 
url("assets/radio-unchecked-active-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .radio:active.button.flat {
+  .radio:active.button.flat, .header-bar .radio.button.titlebutton:active,
+  .titlebar .radio.button.titlebutton:active,
+  GtkCalendar.header .radio.button.titlebutton:active {
     icon-shadow: none; }
 
 .radio:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-unchecked-insensitive-dark.png"), 
url("assets/radio-unchecked-insensitive-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .radio:insensitive.button.flat {
+  .radio:insensitive.button.flat, .header-bar .radio.button.titlebutton:insensitive,
+  .titlebar .radio.button.titlebutton:insensitive,
+  GtkCalendar.header .radio.button.titlebutton:insensitive {
     icon-shadow: none; }
 
 .radio:backdrop {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-unchecked-backdrop-dark.png"), 
url("assets/radio-unchecked-backdrop-dark 2 png"));
   icon-shadow: none; }
-  .radio:backdrop.button.flat {
+  .radio:backdrop.button.flat, .header-bar .radio.button.titlebutton:backdrop,
+  .titlebar .radio.button.titlebutton:backdrop,
+  GtkCalendar.header .radio.button.titlebutton:backdrop {
     icon-shadow: none; }
 
 .radio:backdrop:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-unchecked-backdrop-insensitive-dark.png"), 
url("assets/radio-unchecked-backdrop-insensitive-dark 2 png"));
   icon-shadow: none; }
-  .radio:backdrop:insensitive.button.flat {
+  .radio:backdrop:insensitive.button.flat, .header-bar .radio.button.titlebutton:backdrop:insensitive,
+  .titlebar .radio.button.titlebutton:backdrop:insensitive,
+  GtkCalendar.header .radio.button.titlebutton:backdrop:insensitive {
     icon-shadow: none; }
 
 .radio:inconsistent {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-mixed-dark.png"), url("assets/radio-mixed-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .radio:inconsistent.button.flat {
+  .radio:inconsistent.button.flat, .header-bar .radio.button.titlebutton:inconsistent,
+  .titlebar .radio.button.titlebutton:inconsistent,
+  GtkCalendar.header .radio.button.titlebutton:inconsistent {
     icon-shadow: none; }
 
 .radio:inconsistent:hover {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-mixed-hover-dark.png"), url("assets/radio-mixed-hover-dark 
2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .radio:inconsistent:hover.button.flat {
+  .radio:inconsistent:hover.button.flat, .header-bar .radio.button.titlebutton:inconsistent:hover,
+  .titlebar .radio.button.titlebutton:inconsistent:hover,
+  GtkCalendar.header .radio.button.titlebutton:inconsistent:hover {
     icon-shadow: none; }
 
 .radio:inconsistent:selected {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-mixed-active-dark.png"), 
url("assets/radio-mixed-active-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .radio:inconsistent:selected.button.flat {
+  .radio:inconsistent:selected.button.flat, .header-bar .radio.button.titlebutton:inconsistent:selected,
+  .titlebar .radio.button.titlebutton:inconsistent:selected,
+  GtkCalendar.header .radio.button.titlebutton:inconsistent:selected {
     icon-shadow: none; }
 
 .radio:inconsistent:backdrop {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-mixed-backdrop-dark.png"), 
url("assets/radio-mixed-backdrop-dark 2 png"));
   icon-shadow: none; }
-  .radio:inconsistent:backdrop.button.flat {
+  .radio:inconsistent:backdrop.button.flat, .header-bar .radio.button.titlebutton:inconsistent:backdrop,
+  .titlebar .radio.button.titlebutton:inconsistent:backdrop,
+  GtkCalendar.header .radio.button.titlebutton:inconsistent:backdrop {
     icon-shadow: none; }
 
 .radio:inconsistent:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-mixed-insensitive-dark.png"), 
url("assets/radio-mixed-insensitive-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .radio:inconsistent:insensitive.button.flat {
+  .radio:inconsistent:insensitive.button.flat, .header-bar 
.radio.button.titlebutton:inconsistent:insensitive,
+  .titlebar .radio.button.titlebutton:inconsistent:insensitive,
+  GtkCalendar.header .radio.button.titlebutton:inconsistent:insensitive {
     icon-shadow: none; }
 
 .radio:inconsistent:insensitive:backdrop {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-mixed-backdrop-insensitive-dark.png"), 
url("assets/radio-mixed-backdrop-insensitive-dark 2 png"));
   icon-shadow: none; }
-  .radio:inconsistent:insensitive:backdrop.button.flat {
+  .radio:inconsistent:insensitive:backdrop.button.flat, .header-bar 
.radio.button.titlebutton:inconsistent:insensitive:backdrop,
+  .titlebar .radio.button.titlebutton:inconsistent:insensitive:backdrop,
+  GtkCalendar.header .radio.button.titlebutton:inconsistent:insensitive:backdrop {
     icon-shadow: none; }
 
 .radio:checked {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-checked-dark.png"), url("assets/radio-checked-dark 2 
png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .radio:checked.button.flat {
+  .radio:checked.button.flat, .header-bar .radio.button.titlebutton:checked,
+  .titlebar .radio.button.titlebutton:checked,
+  GtkCalendar.header .radio.button.titlebutton:checked {
     icon-shadow: none; }
 
 .radio:checked:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-checked-insensitive-dark.png"), 
url("assets/radio-checked-insensitive-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .radio:checked:insensitive.button.flat {
+  .radio:checked:insensitive.button.flat, .header-bar .radio.button.titlebutton:checked:insensitive,
+  .titlebar .radio.button.titlebutton:checked:insensitive,
+  GtkCalendar.header .radio.button.titlebutton:checked:insensitive {
     icon-shadow: none; }
 
 .radio:checked:hover {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-checked-hover-dark.png"), 
url("assets/radio-checked-hover-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .radio:checked:hover.button.flat {
+  .radio:checked:hover.button.flat, .header-bar .radio.button.titlebutton:checked:hover,
+  .titlebar .radio.button.titlebutton:checked:hover,
+  GtkCalendar.header .radio.button.titlebutton:checked:hover {
     icon-shadow: none; }
 
 .radio:checked:active {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-checked-active-dark.png"), 
url("assets/radio-checked-active-dark 2 png"));
   icon-shadow: 0 1px 0 rgba(238, 238, 236, 0.1); }
-  .radio:checked:active.button.flat {
+  .radio:checked:active.button.flat, .header-bar .radio.button.titlebutton:checked:active,
+  .titlebar .radio.button.titlebutton:checked:active,
+  GtkCalendar.header .radio.button.titlebutton:checked:active {
     icon-shadow: none; }
 
 .radio:backdrop:checked {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-checked-backdrop-dark.png"), 
url("assets/radio-checked-backdrop-dark 2 png"));
   icon-shadow: none; }
-  .radio:backdrop:checked.button.flat {
+  .radio:backdrop:checked.button.flat, .header-bar .radio.button.titlebutton:backdrop:checked,
+  .titlebar .radio.button.titlebutton:backdrop:checked,
+  GtkCalendar.header .radio.button.titlebutton:backdrop:checked {
     icon-shadow: none; }
 
 .radio:backdrop:checked:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-checked-backdrop-insensitive-dark.png"), 
url("assets/radio-checked-backdrop-insensitive-dark 2 png"));
   icon-shadow: none; }
-  .radio:backdrop:checked:insensitive.button.flat {
+  .radio:backdrop:checked:insensitive.button.flat, .header-bar 
.radio.button.titlebutton:backdrop:checked:insensitive,
+  .titlebar .radio.button.titlebutton:backdrop:checked:insensitive,
+  GtkCalendar.header .radio.button.titlebutton:backdrop:checked:insensitive {
     icon-shadow: none; }
 
 .menu .menuitem.radio {
@@ -2690,10 +2882,14 @@ GtkLevelBar.vertical {
     .level-bar.fill-block.empty-fill-block:backdrop {
       border-color: rgba(201, 203, 201, 0.15); }
 
-.view:selected, .view:selected:focus, .view:selected:hover, GtkLabel:selected, GtkLabel:selected:focus, 
GtkLabel:selected:hover, .entry:selected, .entry:selected:focus, .menuitem.button.flat:selected {
+.view:selected, .view:selected:focus, .view:selected:hover, GtkLabel:selected, GtkLabel:selected:focus, 
GtkLabel:selected:hover, .entry:selected, .entry:selected:focus, .menuitem.button.flat:selected, .header-bar 
.menuitem.button.titlebutton:selected,
+.titlebar .menuitem.button.titlebutton:selected,
+GtkCalendar.header .menuitem.button.titlebutton:selected {
   background-color: #215d9c;
   color: #ffffff; }
-  .view:backdrop:selected, GtkLabel:backdrop:selected, .entry:backdrop:selected, 
.menuitem.button.flat:backdrop:selected {
+  .view:backdrop:selected, GtkLabel:backdrop:selected, .entry:backdrop:selected, 
.menuitem.button.flat:backdrop:selected, .header-bar .menuitem.button.titlebutton:backdrop:selected,
+  .titlebar .menuitem.button.titlebutton:backdrop:selected,
+  GtkCalendar.header .menuitem.button.titlebutton:backdrop:selected {
     color: #c9cbc9; }
 
 /**********
@@ -2792,7 +2988,11 @@ GtkScrolledWindow GtkViewport.frame {
     box-shadow: inset 0 -1px rgba(0, 0, 0, 0.3), inset 0 1px rgba(255, 255, 255, 0.1);
     text-shadow: 0 1px black;
     icon-shadow: 0 1px black; }
-    .app-notification.frame .button.flat {
+    .app-notification.frame .button.flat, .app-notification.frame .header-bar .button.titlebutton, 
.header-bar .app-notification.frame .button.titlebutton,
+    .app-notification.frame .titlebar .button.titlebutton,
+    .titlebar .app-notification.frame .button.titlebutton,
+    .app-notification.frame GtkCalendar.header .button.titlebutton,
+    GtkCalendar.header .app-notification.frame .button.titlebutton {
       icon-shadow: 0 1px black;
       text-shadow: 0 1px black; }
     .app-notification.frame .button:hover {
@@ -3271,44 +3471,6 @@ GtkVolumeButton.button {
     border-radius: 7px;
     box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(28, 31, 31, 0.8); }
 
-.header-bar .button.titlebutton,
-.titlebar .button.titlebutton,
-GtkCalendar.header .button.titlebutton {
-  padding: 8px;
-  border-color: transparent;
-  background-image: none;
-  transition-property: border, box-shadow, color;
-  box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0); }
-  .header-bar .button.titlebutton:hover,
-  .titlebar .button.titlebutton:hover,
-  GtkCalendar.header .button.titlebutton:hover {
-    color: #eeeeec;
-    background-image: linear-gradient(to bottom, #454c4c, #393f3f 40%, #2d3232);
-    border-color: #1c1f1f;
-    text-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
-    icon-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0.1), 0 1px rgba(238, 238, 236, 0.1); }
-  .header-bar .button.titlebutton:active,
-  .titlebar .button.titlebutton:active,
-  GtkCalendar.header .button.titlebutton:active {
-    color: #eeeeec;
-    border-color: #1c1f1f;
-    background-image: linear-gradient(to bottom, #232727, #2d3232);
-    text-shadow: 0 -1px rgba(0, 0, 0, 0.89176);
-    icon-shadow: 0 -1px rgba(0, 0, 0, 0.89176);
-    box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6), 0 1px rgba(238, 
238, 236, 0.1); }
-  .header-bar .button.titlebutton:backdrop,
-  .titlebar .button.titlebutton:backdrop,
-  GtkCalendar.header .button.titlebutton:backdrop {
-    color: #c9cbc9;
-    border-color: #1e2222;
-    background-image: linear-gradient(to bottom, #393f3f);
-    text-shadow: none;
-    icon-shadow: none;
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(255, 255, 255, 0);
-    border-color: transparent;
-    transition-property: border, box-shadow, color; }
-
 /* GTK NAMED COLORS */
 @define-color theme_fg_color #eeeeec;
 @define-color theme_bg_color #393f3f;
diff --git a/gtk/resources/theme/Adwaita/gtk-contained.css b/gtk/resources/theme/Adwaita/gtk-contained.css
index 03c12c2..927564a 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained.css
@@ -269,7 +269,9 @@ GtkTextView {
   text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
   icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
   box-shadow: inset 0 1px white, 0 1px white; }
-  .button:hover, .button.flat:hover {
+  .button:hover, .button.flat:hover, .header-bar .button.titlebutton:hover,
+  .titlebar .button.titlebutton:hover,
+  GtkCalendar.header .button.titlebutton:hover {
     color: #2e3436;
     border-color: #a1a1a1;
     background-image: linear-gradient(to bottom, white, #f7f7f7 40%, #ededed);
@@ -277,7 +279,11 @@ GtkTextView {
     icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
     box-shadow: inset 0 1px white, 0 1px white;
     -gtk-image-effect: highlight; }
-  .button:active, .button.flat:active, .button:checked, .button.flat:checked {
+  .button:active, .button.flat:active, .header-bar .button.titlebutton:active,
+  .titlebar .button.titlebutton:active,
+  GtkCalendar.header .button.titlebutton:active, .button:checked, .button.flat:checked, .header-bar 
.button.titlebutton:checked,
+  .titlebar .button.titlebutton:checked,
+  GtkCalendar.header .button.titlebutton:checked {
     color: #2e3436;
     border-color: #a1a1a1;
     background-image: linear-gradient(to bottom, #d6d6d6, #e0e0e0);
@@ -323,14 +329,22 @@ GtkTextView {
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px white; }
     .button:insensitive > GtkLabel {
       color: inherit; }
-    .button:insensitive:active, .button:insensitive.flat:active, .button:insensitive:checked, 
.button:insensitive.flat:checked {
+    .button:insensitive:active, .button:insensitive.flat:active, .header-bar 
.button.titlebutton:insensitive:active,
+    .titlebar .button.titlebutton:insensitive:active,
+    GtkCalendar.header .button.titlebutton:insensitive:active, .button:insensitive:checked, 
.button:insensitive.flat:checked, .header-bar .button.titlebutton:insensitive:checked,
+    .titlebar .button.titlebutton:insensitive:checked,
+    GtkCalendar.header .button.titlebutton:insensitive:checked {
       color: #8d9091;
       border-color: #a1a1a1;
       color: #8d9091;
       border-color: #a1a1a1;
       background-image: linear-gradient(to bottom, #ebebeb, #f4f4f4);
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px white; }
-      .button:insensitive:active > GtkLabel, .button:insensitive.flat:active > GtkLabel, 
.button:insensitive:checked > GtkLabel, .button:insensitive.flat:checked > GtkLabel {
+      .button:insensitive:active > GtkLabel, .button:insensitive.flat:active > GtkLabel, .header-bar 
.button.titlebutton:insensitive:active > GtkLabel,
+      .titlebar .button.titlebutton:insensitive:active > GtkLabel,
+      GtkCalendar.header .button.titlebutton:insensitive:active > GtkLabel, .button:insensitive:checked > 
GtkLabel, .button:insensitive.flat:checked > GtkLabel, .header-bar .button.titlebutton:insensitive:checked > 
GtkLabel,
+      .titlebar .button.titlebutton:insensitive:checked > GtkLabel,
+      GtkCalendar.header .button.titlebutton:insensitive:checked > GtkLabel {
         color: inherit; }
   .button.osd {
     color: #eeeeec;
@@ -345,7 +359,9 @@ GtkTextView {
     icon-shadow: 0 1px black;
     border-color: rgba(255, 255, 255, 0.1);
     box-shadow: none; }
-    .button.osd.image-button {
+    .button.osd.image-button, .header-bar .button.osd.titlebutton,
+    .titlebar .button.osd.titlebutton,
+    GtkCalendar.header .button.osd.titlebutton {
       padding: 13px; }
     .button.osd:hover {
       color: white;
@@ -597,12 +613,20 @@ GtkTextView {
         box-shadow: none;
         text-shadow: none;
         icon-shadow: none; }
-  .button.image-button, .button.image-button {
+  .button.image-button, .header-bar .button.titlebutton,
+  .titlebar .button.titlebutton,
+  GtkCalendar.header .button.titlebutton, .button.image-button, .header-bar .button.titlebutton,
+  .titlebar .button.titlebutton,
+  GtkCalendar.header .button.titlebutton {
     padding: 8px; }
   .button.text-button {
     padding-left: 16px;
     padding-right: 16px; }
-  .action-bar .stack-switcher .button.image-button, .header-bar .stack-switcher .button.image-button {
+  .action-bar .stack-switcher .button.image-button, .action-bar .stack-switcher .header-bar 
.button.titlebutton, .header-bar .action-bar .stack-switcher .button.titlebutton,
+  .action-bar .stack-switcher .titlebar .button.titlebutton,
+  .titlebar .action-bar .stack-switcher .button.titlebutton,
+  .action-bar .stack-switcher GtkCalendar.header .button.titlebutton,
+  GtkCalendar.header .action-bar .stack-switcher .button.titlebutton, .header-bar .stack-switcher 
.button.image-button, .header-bar .stack-switcher .button.titlebutton {
     padding: 5px 2px; }
   .action-bar .stack-switcher .button.text-button, .header-bar .stack-switcher .button.text-button {
     padding-left: 10px;
@@ -733,48 +757,116 @@ GtkTextView {
     .inline-toolbar GtkToolButton > .button:backdrop:insensitive:checked > GtkLabel {
       color: inherit; }
 
-.inline-toolbar.toolbar GtkToolButton > .button.flat, .inline-toolbar GtkToolButton > .button.flat, 
.inline-toolbar.search-bar GtkToolButton > .button.flat, .inline-toolbar.location-bar GtkToolButton > 
.button.flat,
+.inline-toolbar.toolbar GtkToolButton > .button.flat, .inline-toolbar GtkToolButton > .button.flat, 
.inline-toolbar.search-bar GtkToolButton > .button.flat, .inline-toolbar.location-bar GtkToolButton > 
.button.flat, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton, .header-bar .inline-toolbar 
GtkToolButton > .button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop > .button.flat,
 .inline-toolbar GtkToolButton:backdrop > .button.flat,
 .inline-toolbar.search-bar GtkToolButton:backdrop > .button.flat,
-.inline-toolbar.location-bar GtkToolButton:backdrop > .button.flat, .osd .button:hover, .osd .button:active, 
.osd .button:checked, .osd .button:backdrop:active, .osd .button:backdrop:checked, .osd .button:insensitive, 
.osd .button:backdrop:insensitive, .osd .button:backdrop, .osd .button.suggested-action, .osd 
.button.suggested-action:hover, .osd .button.suggested-action:active, .osd .button.suggested-action:checked, 
.osd .button.suggested-action:backdrop:active, .osd .button.suggested-action:backdrop:checked, .osd 
.button.suggested-action:insensitive, .osd .button.suggested-action:backdrop:insensitive, .osd 
.button.suggested-action:backdrop, .osd .button.destructive-action, .osd .button.destructive-action:hover, 
.osd .button.destructive-action:active, .osd .button.destructive-action:checked, .osd 
.button.destructive-action:backdrop:active, .osd .button.destructive-action:backdrop:checked, .osd 
.button.destructive-action:insensitive, .osd .button.destructive-action:backdrop:
 insensitive, .osd .button.destructive-action:backdrop, .inline-toolbar .button, .inline-toolbar 
.button:backdrop, .linked .button, .linked .button:hover, .linked .button:active, .linked .button:checked, 
.linked .button:backdrop, GtkComboBox.combobox-entry .entry, GtkComboBox.combobox-entry .button, 
GtkComboBox.combobox-entry .button:backdrop, .linked > GtkComboBox > .button:dir(ltr) {
+.inline-toolbar.location-bar GtkToolButton:backdrop > .button.flat,
+.inline-toolbar .header-bar GtkToolButton:backdrop > .button.titlebutton,
+.header-bar .inline-toolbar GtkToolButton:backdrop > .button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:backdrop > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:backdrop > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:backdrop > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:backdrop > .button.titlebutton, .osd .button:hover, .osd 
.button:active, .osd .button:checked, .osd .button:backdrop:active, .osd .button:backdrop:checked, .osd 
.button:insensitive, .osd .button:backdrop:insensitive, .osd .button:backdrop, .osd .button.suggested-action, 
.osd .button.suggested-action:hover, .osd .button.suggested-action:active, .osd 
.button.suggested-action:checked, .osd .button.suggested-action:backdrop:active, .osd 
.button.suggested-action:backdrop:checked, .osd .button.suggested-action:insensitive, .osd 
.button.suggested-action:backdrop:insensitive, .osd .button.suggested-action:backdrop, .osd 
.button.destructive-action, .osd .button.destructive-action:hover, .osd .button.destructive-action:active, 
.osd .button.destructive-action:checked, .osd .button.destructive-action:backdrop:active, .osd 
.button.destructive-action:backdrop:checked, .osd .button.destructive-action:insensitive, .osd 
.button.destructive-act
 ion:backdrop:insensitive, .osd .button.destructive-action:backdrop, .inline-toolbar .button, .inline-toolbar 
.button:backdrop, .linked .button, .linked .button:hover, .linked .button:active, .linked .button:checked, 
.linked .button:backdrop, GtkComboBox.combobox-entry .entry, GtkComboBox.combobox-entry .button, 
GtkComboBox.combobox-entry .button:backdrop, .linked > GtkComboBox > .button:dir(ltr) {
   border-radius: 0;
   border-left-style: none; }
-  .inline-toolbar GtkToolButton > .button.flat:dir(rtl),
-  .inline-toolbar GtkToolButton:backdrop > .button.flat:dir(rtl), .inline-toolbar.toolbar 
GtkToolButton:dir(rtl) > .button.flat, .inline-toolbar GtkToolButton:dir(rtl) > .button.flat, 
.inline-toolbar.search-bar GtkToolButton:dir(rtl) > .button.flat, .inline-toolbar.location-bar 
GtkToolButton:dir(rtl) > .button.flat,
+  .inline-toolbar GtkToolButton > .button.flat:dir(rtl), .inline-toolbar .header-bar GtkToolButton > 
.button.titlebutton:dir(rtl), .header-bar .inline-toolbar GtkToolButton > .button.titlebutton:dir(rtl),
+  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:dir(rtl),
+  .titlebar .inline-toolbar GtkToolButton > .button.titlebutton:dir(rtl),
+  .inline-toolbar GtkCalendar.header GtkToolButton > .button.titlebutton:dir(rtl),
+  GtkCalendar.header .inline-toolbar GtkToolButton > .button.titlebutton:dir(rtl),
+  .inline-toolbar GtkToolButton:backdrop > .button.flat:dir(rtl), .inline-toolbar.toolbar 
GtkToolButton:dir(rtl) > .button.flat, .inline-toolbar GtkToolButton:dir(rtl) > .button.flat, 
.inline-toolbar.search-bar GtkToolButton:dir(rtl) > .button.flat, .inline-toolbar.location-bar 
GtkToolButton:dir(rtl) > .button.flat, .inline-toolbar .header-bar GtkToolButton:dir(rtl) > 
.button.titlebutton, .header-bar .inline-toolbar GtkToolButton:dir(rtl) > .button.titlebutton,
+  .inline-toolbar .titlebar GtkToolButton:dir(rtl) > .button.titlebutton,
+  .titlebar .inline-toolbar GtkToolButton:dir(rtl) > .button.titlebutton,
+  .inline-toolbar GtkCalendar.header GtkToolButton:dir(rtl) > .button.titlebutton,
+  GtkCalendar.header .inline-toolbar GtkToolButton:dir(rtl) > .button.titlebutton,
   .inline-toolbar.toolbar GtkToolButton:backdrop:dir(rtl) > .button.flat,
   .inline-toolbar GtkToolButton:backdrop:dir(rtl) > .button.flat,
   .inline-toolbar.search-bar GtkToolButton:backdrop:dir(rtl) > .button.flat,
-  .inline-toolbar.location-bar GtkToolButton:backdrop:dir(rtl) > .button.flat, .osd .button:dir(rtl):hover, 
.osd .button:dir(rtl):active, .osd .button:dir(rtl):checked, .osd .button:dir(rtl):insensitive, .osd 
.button:dir(rtl):backdrop, .osd .button.suggested-action:dir(rtl), .osd .button.destructive-action:dir(rtl), 
.inline-toolbar .button:dir(rtl), .linked .button:dir(rtl), GtkComboBox.combobox-entry .entry:dir(rtl), 
GtkComboBox.combobox-entry .button:dir(rtl), .linked > GtkComboBox > .button:dir(rtl) {
+  .inline-toolbar.location-bar GtkToolButton:backdrop:dir(rtl) > .button.flat,
+  .inline-toolbar .header-bar GtkToolButton:backdrop:dir(rtl) > .button.titlebutton,
+  .header-bar .inline-toolbar GtkToolButton:backdrop:dir(rtl) > .button.titlebutton,
+  .inline-toolbar .titlebar GtkToolButton:backdrop:dir(rtl) > .button.titlebutton,
+  .titlebar .inline-toolbar GtkToolButton:backdrop:dir(rtl) > .button.titlebutton,
+  .inline-toolbar GtkCalendar.header GtkToolButton:backdrop:dir(rtl) > .button.titlebutton,
+  GtkCalendar.header .inline-toolbar GtkToolButton:backdrop:dir(rtl) > .button.titlebutton, .osd 
.button:dir(rtl):hover, .osd .button:dir(rtl):active, .osd .button:dir(rtl):checked, .osd 
.button:dir(rtl):insensitive, .osd .button:dir(rtl):backdrop, .osd .button.suggested-action:dir(rtl), .osd 
.button.destructive-action:dir(rtl), .inline-toolbar .button:dir(rtl), .linked .button:dir(rtl), 
GtkComboBox.combobox-entry .entry:dir(rtl), GtkComboBox.combobox-entry .button:dir(rtl), .linked > 
GtkComboBox > .button:dir(rtl) {
     border-radius: 0;
     border-right-style: none;
     border-left-style: solid; }
 
-.osd .button:first-child:hover, .osd .button:first-child:active, .osd .button:first-child:checked, .osd 
.button:first-child:insensitive, .osd .button:first-child:backdrop, .osd 
.button.suggested-action:first-child, .osd .button.destructive-action:first-child, .inline-toolbar 
.button:first-child, .linked .button:first-child, .inline-toolbar.toolbar GtkToolButton:first-child > 
.button.flat, .inline-toolbar GtkToolButton:first-child > .button.flat, .inline-toolbar.search-bar 
GtkToolButton:first-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:first-child > 
.button.flat,
+.osd .button:first-child:hover, .osd .button:first-child:active, .osd .button:first-child:checked, .osd 
.button:first-child:insensitive, .osd .button:first-child:backdrop, .osd 
.button.suggested-action:first-child, .osd .button.destructive-action:first-child, .inline-toolbar 
.button:first-child, .linked .button:first-child, .inline-toolbar.toolbar GtkToolButton:first-child > 
.button.flat, .inline-toolbar GtkToolButton:first-child > .button.flat, .inline-toolbar.search-bar 
GtkToolButton:first-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:first-child > 
.button.flat, .inline-toolbar .header-bar GtkToolButton:first-child > .button.titlebutton, .header-bar 
.inline-toolbar GtkToolButton:first-child > .button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:first-child > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:first-child > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:first-child > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:first-child > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop:first-child > .button.flat,
 .inline-toolbar GtkToolButton:backdrop:first-child > .button.flat,
 .inline-toolbar.search-bar GtkToolButton:backdrop:first-child > .button.flat,
-.inline-toolbar.location-bar GtkToolButton:backdrop:first-child > .button.flat, GtkComboBox.combobox-entry 
.entry:first-child, GtkComboBox.combobox-entry .button:first-child, .linked > GtkComboBox:first-child > 
.button {
+.inline-toolbar.location-bar GtkToolButton:backdrop:first-child > .button.flat,
+.inline-toolbar .header-bar GtkToolButton:backdrop:first-child > .button.titlebutton,
+.header-bar .inline-toolbar GtkToolButton:backdrop:first-child > .button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:backdrop:first-child > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:backdrop:first-child > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:backdrop:first-child > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:backdrop:first-child > .button.titlebutton, 
GtkComboBox.combobox-entry .entry:first-child, GtkComboBox.combobox-entry .button:first-child, .linked > 
GtkComboBox:first-child > .button {
   border-radius: 3px 0 0 3px;
   border-left-style: solid; }
-.osd .button:last-child:hover, .osd .button:last-child:active, .osd .button:last-child:checked, .osd 
.button:last-child:insensitive, .osd .button:last-child:backdrop, .osd .button.suggested-action:last-child, 
.osd .button.destructive-action:last-child, .inline-toolbar .button:last-child, .linked .button:last-child, 
.inline-toolbar.toolbar GtkToolButton:last-child > .button.flat, .inline-toolbar GtkToolButton:last-child > 
.button.flat, .inline-toolbar.search-bar GtkToolButton:last-child > .button.flat, 
.inline-toolbar.location-bar GtkToolButton:last-child > .button.flat,
+.osd .button:last-child:hover, .osd .button:last-child:active, .osd .button:last-child:checked, .osd 
.button:last-child:insensitive, .osd .button:last-child:backdrop, .osd .button.suggested-action:last-child, 
.osd .button.destructive-action:last-child, .inline-toolbar .button:last-child, .linked .button:last-child, 
.inline-toolbar.toolbar GtkToolButton:last-child > .button.flat, .inline-toolbar GtkToolButton:last-child > 
.button.flat, .inline-toolbar.search-bar GtkToolButton:last-child > .button.flat, 
.inline-toolbar.location-bar GtkToolButton:last-child > .button.flat, .inline-toolbar .header-bar 
GtkToolButton:last-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:last-child > 
.button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:last-child > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:last-child > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:last-child > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:last-child > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop:last-child > .button.flat,
 .inline-toolbar GtkToolButton:backdrop:last-child > .button.flat,
 .inline-toolbar.search-bar GtkToolButton:backdrop:last-child > .button.flat,
-.inline-toolbar.location-bar GtkToolButton:backdrop:last-child > .button.flat, GtkComboBox.combobox-entry 
.entry:last-child, GtkComboBox.combobox-entry .button:last-child, .linked > GtkComboBox:last-child > .button {
+.inline-toolbar.location-bar GtkToolButton:backdrop:last-child > .button.flat,
+.inline-toolbar .header-bar GtkToolButton:backdrop:last-child > .button.titlebutton,
+.header-bar .inline-toolbar GtkToolButton:backdrop:last-child > .button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:backdrop:last-child > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:backdrop:last-child > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:backdrop:last-child > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:backdrop:last-child > .button.titlebutton, 
GtkComboBox.combobox-entry .entry:last-child, GtkComboBox.combobox-entry .button:last-child, .linked > 
GtkComboBox:last-child > .button {
   border-radius: 0 3px 3px 0; }
-  .osd .button:last-child:dir(rtl):hover, .osd .button:last-child:dir(rtl):active, .osd 
.button:last-child:dir(rtl):checked, .osd .button:last-child:dir(rtl):insensitive, .osd 
.button:last-child:dir(rtl):backdrop, .osd .button.suggested-action:last-child:dir(rtl), .osd 
.button.destructive-action:last-child:dir(rtl), .inline-toolbar .button:last-child:dir(rtl), .linked 
.button:last-child:dir(rtl), .inline-toolbar GtkToolButton:last-child > .button.flat:dir(rtl),
-  .inline-toolbar GtkToolButton:backdrop:last-child > .button.flat:dir(rtl), .inline-toolbar.toolbar 
GtkToolButton:last-child:dir(rtl) > .button.flat, .inline-toolbar GtkToolButton:last-child:dir(rtl) > 
.button.flat, .inline-toolbar.search-bar GtkToolButton:last-child:dir(rtl) > .button.flat, 
.inline-toolbar.location-bar GtkToolButton:last-child:dir(rtl) > .button.flat,
+  .osd .button:last-child:dir(rtl):hover, .osd .button:last-child:dir(rtl):active, .osd 
.button:last-child:dir(rtl):checked, .osd .button:last-child:dir(rtl):insensitive, .osd 
.button:last-child:dir(rtl):backdrop, .osd .button.suggested-action:last-child:dir(rtl), .osd 
.button.destructive-action:last-child:dir(rtl), .inline-toolbar .button:last-child:dir(rtl), .linked 
.button:last-child:dir(rtl), .inline-toolbar GtkToolButton:last-child > .button.flat:dir(rtl), 
.inline-toolbar .header-bar GtkToolButton:last-child > .button.titlebutton:dir(rtl), .header-bar 
.inline-toolbar GtkToolButton:last-child > .button.titlebutton:dir(rtl),
+  .inline-toolbar .titlebar GtkToolButton:last-child > .button.titlebutton:dir(rtl),
+  .titlebar .inline-toolbar GtkToolButton:last-child > .button.titlebutton:dir(rtl),
+  .inline-toolbar GtkCalendar.header GtkToolButton:last-child > .button.titlebutton:dir(rtl),
+  GtkCalendar.header .inline-toolbar GtkToolButton:last-child > .button.titlebutton:dir(rtl),
+  .inline-toolbar GtkToolButton:backdrop:last-child > .button.flat:dir(rtl), .inline-toolbar.toolbar 
GtkToolButton:last-child:dir(rtl) > .button.flat, .inline-toolbar GtkToolButton:last-child:dir(rtl) > 
.button.flat, .inline-toolbar.search-bar GtkToolButton:last-child:dir(rtl) > .button.flat, 
.inline-toolbar.location-bar GtkToolButton:last-child:dir(rtl) > .button.flat, .inline-toolbar .header-bar 
GtkToolButton:last-child:dir(rtl) > .button.titlebutton, .header-bar .inline-toolbar 
GtkToolButton:last-child:dir(rtl) > .button.titlebutton,
+  .inline-toolbar .titlebar GtkToolButton:last-child:dir(rtl) > .button.titlebutton,
+  .titlebar .inline-toolbar GtkToolButton:last-child:dir(rtl) > .button.titlebutton,
+  .inline-toolbar GtkCalendar.header GtkToolButton:last-child:dir(rtl) > .button.titlebutton,
+  GtkCalendar.header .inline-toolbar GtkToolButton:last-child:dir(rtl) > .button.titlebutton,
   .inline-toolbar.toolbar GtkToolButton:backdrop:last-child:dir(rtl) > .button.flat,
   .inline-toolbar GtkToolButton:backdrop:last-child:dir(rtl) > .button.flat,
   .inline-toolbar.search-bar GtkToolButton:backdrop:last-child:dir(rtl) > .button.flat,
-  .inline-toolbar.location-bar GtkToolButton:backdrop:last-child:dir(rtl) > .button.flat, 
GtkComboBox.combobox-entry .entry:last-child:dir(rtl), GtkComboBox.combobox-entry 
.button:last-child:dir(rtl), .linked > GtkComboBox:last-child > .button:dir(rtl) {
+  .inline-toolbar.location-bar GtkToolButton:backdrop:last-child:dir(rtl) > .button.flat,
+  .inline-toolbar .header-bar GtkToolButton:backdrop:last-child:dir(rtl) > .button.titlebutton,
+  .header-bar .inline-toolbar GtkToolButton:backdrop:last-child:dir(rtl) > .button.titlebutton,
+  .inline-toolbar .titlebar GtkToolButton:backdrop:last-child:dir(rtl) > .button.titlebutton,
+  .titlebar .inline-toolbar GtkToolButton:backdrop:last-child:dir(rtl) > .button.titlebutton,
+  .inline-toolbar GtkCalendar.header GtkToolButton:backdrop:last-child:dir(rtl) > .button.titlebutton,
+  GtkCalendar.header .inline-toolbar GtkToolButton:backdrop:last-child:dir(rtl) > .button.titlebutton, 
GtkComboBox.combobox-entry .entry:last-child:dir(rtl), GtkComboBox.combobox-entry 
.button:last-child:dir(rtl), .linked > GtkComboBox:last-child > .button:dir(rtl) {
     border-right-style: solid; }
-.osd .button:only-child:hover, .osd .button:only-child:active, .osd .button:only-child:checked, .osd 
.button:only-child:insensitive, .osd .button:only-child:backdrop, .osd .button.suggested-action:only-child, 
.osd .button.destructive-action:only-child, .inline-toolbar .button:only-child, .linked .button:only-child, 
.inline-toolbar.toolbar GtkToolButton:only-child > .button.flat, .inline-toolbar GtkToolButton:only-child > 
.button.flat, .inline-toolbar.search-bar GtkToolButton:only-child > .button.flat, 
.inline-toolbar.location-bar GtkToolButton:only-child > .button.flat,
+.osd .button:only-child:hover, .osd .button:only-child:active, .osd .button:only-child:checked, .osd 
.button:only-child:insensitive, .osd .button:only-child:backdrop, .osd .button.suggested-action:only-child, 
.osd .button.destructive-action:only-child, .inline-toolbar .button:only-child, .linked .button:only-child, 
.inline-toolbar.toolbar GtkToolButton:only-child > .button.flat, .inline-toolbar GtkToolButton:only-child > 
.button.flat, .inline-toolbar.search-bar GtkToolButton:only-child > .button.flat, 
.inline-toolbar.location-bar GtkToolButton:only-child > .button.flat, .inline-toolbar .header-bar 
GtkToolButton:only-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:only-child > 
.button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:only-child > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:only-child > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:only-child > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:only-child > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop:only-child > .button.flat,
 .inline-toolbar GtkToolButton:backdrop:only-child > .button.flat,
 .inline-toolbar.search-bar GtkToolButton:backdrop:only-child > .button.flat,
-.inline-toolbar.location-bar GtkToolButton:backdrop:only-child > .button.flat, GtkComboBox.combobox-entry 
.entry:only-child, GtkComboBox.combobox-entry .button:only-child, .linked > GtkComboBox:only-child > .button {
+.inline-toolbar.location-bar GtkToolButton:backdrop:only-child > .button.flat,
+.inline-toolbar .header-bar GtkToolButton:backdrop:only-child > .button.titlebutton,
+.header-bar .inline-toolbar GtkToolButton:backdrop:only-child > .button.titlebutton,
+.inline-toolbar .titlebar GtkToolButton:backdrop:only-child > .button.titlebutton,
+.titlebar .inline-toolbar GtkToolButton:backdrop:only-child > .button.titlebutton,
+.inline-toolbar GtkCalendar.header GtkToolButton:backdrop:only-child > .button.titlebutton,
+GtkCalendar.header .inline-toolbar GtkToolButton:backdrop:only-child > .button.titlebutton, 
GtkComboBox.combobox-entry .entry:only-child, GtkComboBox.combobox-entry .button:only-child, .linked > 
GtkComboBox:only-child > .button {
   border-radius: 3px;
   border-style: solid; }
 
@@ -790,7 +882,21 @@ GtkTextView {
     border-radius: 3px;
     border-style: solid; }
 
-.button.flat, .button.flat:backdrop, .button.flat:backdrop:insensitive, .menuitem.button.flat, 
.menuitem.button.flat:backdrop, .menuitem.button.flat:backdrop:hover, .button:link, .button:visited, 
.button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, 
.button:visited:checked, .button:link:backdrop, .button:visited:backdrop, .notebook tab .button, 
.list-row.button, .list-row.button:backdrop:hover, .app-notification.frame .button.flat, 
.app-notification.frame .button.flat:backdrop, .app-notification.frame .button.flat:insensitive, 
.app-notification.frame .button.flat:backdrop:insensitive, GtkCalendar.button, GtkCalendar.button:hover, 
.scale-popup .button:hover, .scale-popup .button:backdrop, .scale-popup .button:backdrop:hover, .scale-popup 
.button:backdrop:insensitive {
+.button.flat, .header-bar .button.titlebutton,
+.titlebar .button.titlebutton,
+GtkCalendar.header .button.titlebutton, .button.flat:backdrop, .button.flat:backdrop:insensitive, 
.header-bar .button.titlebutton:backdrop:insensitive,
+.titlebar .button.titlebutton:backdrop:insensitive,
+GtkCalendar.header .button.titlebutton:backdrop:insensitive, .menuitem.button.flat, 
.menuitem.button.flat:backdrop, .header-bar .menuitem.button.titlebutton:backdrop,
+.titlebar .menuitem.button.titlebutton:backdrop,
+GtkCalendar.header .menuitem.button.titlebutton:backdrop, .menuitem.button.flat:backdrop:hover, 
.button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, 
.button:visited:hover, .button:visited:active, .button:visited:checked, .button:link:backdrop, 
.button:visited:backdrop, .notebook tab .button, .list-row.button, .list-row.button:backdrop:hover, 
.app-notification.frame .button.flat, .app-notification.frame .header-bar .button.titlebutton, .header-bar 
.app-notification.frame .button.titlebutton,
+.app-notification.frame .titlebar .button.titlebutton,
+.titlebar .app-notification.frame .button.titlebutton,
+.app-notification.frame GtkCalendar.header .button.titlebutton,
+GtkCalendar.header .app-notification.frame .button.titlebutton, .app-notification.frame 
.button.flat:backdrop, .app-notification.frame .button.flat:insensitive, .app-notification.frame 
.button.flat:backdrop:insensitive, .app-notification.frame .header-bar 
.button.titlebutton:backdrop:insensitive, .header-bar .app-notification.frame 
.button.titlebutton:backdrop:insensitive,
+.app-notification.frame .titlebar .button.titlebutton:backdrop:insensitive,
+.titlebar .app-notification.frame .button.titlebutton:backdrop:insensitive,
+.app-notification.frame GtkCalendar.header .button.titlebutton:backdrop:insensitive,
+GtkCalendar.header .app-notification.frame .button.titlebutton:backdrop:insensitive, GtkCalendar.button, 
GtkCalendar.button:hover, .scale-popup .button:hover, .scale-popup .button:backdrop, .scale-popup 
.button:backdrop:hover, .scale-popup .button:backdrop:insensitive {
   border-color: transparent;
   background-color: transparent;
   background-image: none;
@@ -799,9 +905,13 @@ GtkTextView {
   icon-shadow: none; }
 
 /* menu buttons */
-.menuitem.button.flat {
+.menuitem.button.flat, .header-bar .menuitem.button.titlebutton,
+.titlebar .menuitem.button.titlebutton,
+GtkCalendar.header .menuitem.button.titlebutton {
   outline-offset: -1px; }
-  .menuitem.button.flat:hover {
+  .menuitem.button.flat:hover, .header-bar .menuitem.button.titlebutton:hover,
+  .titlebar .menuitem.button.titlebutton:hover,
+  GtkCalendar.header .menuitem.button.titlebutton:hover {
     background-color: #d9dada; }
 
 GtkColorButton.button {
@@ -1077,7 +1187,7 @@ GtkComboBox {
   .titlebar.selection-mode, GtkCalendar.selection-mode.header,
   .header-bar.selection-mode {
     color: #ffffff;
-    text-shadow: 0 1px rgba(0, 0, 0, 0.5);
+    text-shadow: 0 -1px rgba(0, 0, 0, 0.5);
     border-color: #184472;
     background-image: linear-gradient(to bottom, #5f9ddd, #4a90d9);
     box-shadow: inset 0 -1px #3875b4, inset 0 1px #b6d2ef; }
@@ -1409,8 +1519,18 @@ GtkTreeView.view.progressbar {
   .popover.osd > .location-bar {
     border-style: none;
     background-color: transparent; }
-  .popover .button.flat,
-  .popover .button.flat:hover {
+  .popover .button.flat, .popover .header-bar .button.titlebutton, .header-bar .popover .button.titlebutton,
+  .popover .titlebar .button.titlebutton,
+  .titlebar .popover .button.titlebutton,
+  .popover GtkCalendar.header .button.titlebutton,
+  GtkCalendar.header .popover .button.titlebutton,
+  .popover .button.flat:hover,
+  .popover .header-bar .button.titlebutton:hover,
+  .header-bar .popover .button.titlebutton:hover,
+  .popover .titlebar .button.titlebutton:hover,
+  .titlebar .popover .button.titlebutton:hover,
+  .popover GtkCalendar.header .button.titlebutton:hover,
+  GtkCalendar.header .popover .button.titlebutton:hover {
     text-shadow: none;
     transition: none; }
   .popover.osd {
@@ -1855,109 +1975,145 @@ GtkSwitch {
 .check {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked.png"), url("assets/checkbox-unchecked 2 
png"));
   icon-shadow: 0 1px 0 white; }
-  .check.button.flat {
+  .check.button.flat, .header-bar .check.button.titlebutton,
+  .titlebar .check.button.titlebutton,
+  GtkCalendar.header .check.button.titlebutton {
     icon-shadow: none; }
 
 .check:hover {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked-hover.png"), 
url("assets/checkbox-unchecked-hover 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .check:hover.button.flat {
+  .check:hover.button.flat, .header-bar .check.button.titlebutton:hover,
+  .titlebar .check.button.titlebutton:hover,
+  GtkCalendar.header .check.button.titlebutton:hover {
     icon-shadow: none; }
 
 .check:active {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked-active.png"), 
url("assets/checkbox-unchecked-active 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .check:active.button.flat {
+  .check:active.button.flat, .header-bar .check.button.titlebutton:active,
+  .titlebar .check.button.titlebutton:active,
+  GtkCalendar.header .check.button.titlebutton:active {
     icon-shadow: none; }
 
 .check:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked-insensitive.png"), 
url("assets/checkbox-unchecked-insensitive 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .check:insensitive.button.flat {
+  .check:insensitive.button.flat, .header-bar .check.button.titlebutton:insensitive,
+  .titlebar .check.button.titlebutton:insensitive,
+  GtkCalendar.header .check.button.titlebutton:insensitive {
     icon-shadow: none; }
 
 .check:backdrop {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked-backdrop.png"), 
url("assets/checkbox-unchecked-backdrop 2 png"));
   icon-shadow: none; }
-  .check:backdrop.button.flat {
+  .check:backdrop.button.flat, .header-bar .check.button.titlebutton:backdrop,
+  .titlebar .check.button.titlebutton:backdrop,
+  GtkCalendar.header .check.button.titlebutton:backdrop {
     icon-shadow: none; }
 
 .check:backdrop:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-unchecked-backdrop-insensitive.png"), 
url("assets/checkbox-unchecked-backdrop-insensitive 2 png"));
   icon-shadow: none; }
-  .check:backdrop:insensitive.button.flat {
+  .check:backdrop:insensitive.button.flat, .header-bar .check.button.titlebutton:backdrop:insensitive,
+  .titlebar .check.button.titlebutton:backdrop:insensitive,
+  GtkCalendar.header .check.button.titlebutton:backdrop:insensitive {
     icon-shadow: none; }
 
 .check:inconsistent {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-mixed.png"), url("assets/checkbox-mixed 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .check:inconsistent.button.flat {
+  .check:inconsistent.button.flat, .header-bar .check.button.titlebutton:inconsistent,
+  .titlebar .check.button.titlebutton:inconsistent,
+  GtkCalendar.header .check.button.titlebutton:inconsistent {
     icon-shadow: none; }
 
 .check:inconsistent:hover {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-mixed-hover.png"), url("assets/checkbox-mixed-hover 2 
png"));
   icon-shadow: 0 1px 0 white; }
-  .check:inconsistent:hover.button.flat {
+  .check:inconsistent:hover.button.flat, .header-bar .check.button.titlebutton:inconsistent:hover,
+  .titlebar .check.button.titlebutton:inconsistent:hover,
+  GtkCalendar.header .check.button.titlebutton:inconsistent:hover {
     icon-shadow: none; }
 
 .check:inconsistent:selected {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-mixed-active.png"), url("assets/checkbox-mixed-active 2 
png"));
   icon-shadow: 0 1px 0 white; }
-  .check:inconsistent:selected.button.flat {
+  .check:inconsistent:selected.button.flat, .header-bar .check.button.titlebutton:inconsistent:selected,
+  .titlebar .check.button.titlebutton:inconsistent:selected,
+  GtkCalendar.header .check.button.titlebutton:inconsistent:selected {
     icon-shadow: none; }
 
 .check:inconsistent:backdrop {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-mixed-backdrop.png"), 
url("assets/checkbox-mixed-backdrop 2 png"));
   icon-shadow: none; }
-  .check:inconsistent:backdrop.button.flat {
+  .check:inconsistent:backdrop.button.flat, .header-bar .check.button.titlebutton:inconsistent:backdrop,
+  .titlebar .check.button.titlebutton:inconsistent:backdrop,
+  GtkCalendar.header .check.button.titlebutton:inconsistent:backdrop {
     icon-shadow: none; }
 
 .check:inconsistent:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-mixed-insensitive.png"), 
url("assets/checkbox-mixed-insensitive 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .check:inconsistent:insensitive.button.flat {
+  .check:inconsistent:insensitive.button.flat, .header-bar 
.check.button.titlebutton:inconsistent:insensitive,
+  .titlebar .check.button.titlebutton:inconsistent:insensitive,
+  GtkCalendar.header .check.button.titlebutton:inconsistent:insensitive {
     icon-shadow: none; }
 
 .check:inconsistent:insensitive:backdrop {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-mixed-backdrop-insensitive.png"), 
url("assets/checkbox-mixed-backdrop-insensitive 2 png"));
   icon-shadow: none; }
-  .check:inconsistent:insensitive:backdrop.button.flat {
+  .check:inconsistent:insensitive:backdrop.button.flat, .header-bar 
.check.button.titlebutton:inconsistent:insensitive:backdrop,
+  .titlebar .check.button.titlebutton:inconsistent:insensitive:backdrop,
+  GtkCalendar.header .check.button.titlebutton:inconsistent:insensitive:backdrop {
     icon-shadow: none; }
 
 .check:checked {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-checked.png"), url("assets/checkbox-checked 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .check:checked.button.flat {
+  .check:checked.button.flat, .header-bar .check.button.titlebutton:checked,
+  .titlebar .check.button.titlebutton:checked,
+  GtkCalendar.header .check.button.titlebutton:checked {
     icon-shadow: none; }
 
 .check:checked:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-checked-insensitive.png"), 
url("assets/checkbox-checked-insensitive 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .check:checked:insensitive.button.flat {
+  .check:checked:insensitive.button.flat, .header-bar .check.button.titlebutton:checked:insensitive,
+  .titlebar .check.button.titlebutton:checked:insensitive,
+  GtkCalendar.header .check.button.titlebutton:checked:insensitive {
     icon-shadow: none; }
 
 .check:checked:hover {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-checked-hover.png"), url("assets/checkbox-checked-hover 
2 png"));
   icon-shadow: 0 1px 0 white; }
-  .check:checked:hover.button.flat {
+  .check:checked:hover.button.flat, .header-bar .check.button.titlebutton:checked:hover,
+  .titlebar .check.button.titlebutton:checked:hover,
+  GtkCalendar.header .check.button.titlebutton:checked:hover {
     icon-shadow: none; }
 
 .check:checked:active {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-checked-active.png"), 
url("assets/checkbox-checked-active 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .check:checked:active.button.flat {
+  .check:checked:active.button.flat, .header-bar .check.button.titlebutton:checked:active,
+  .titlebar .check.button.titlebutton:checked:active,
+  GtkCalendar.header .check.button.titlebutton:checked:active {
     icon-shadow: none; }
 
 .check:backdrop:checked {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-checked-backdrop.png"), 
url("assets/checkbox-checked-backdrop 2 png"));
   icon-shadow: none; }
-  .check:backdrop:checked.button.flat {
+  .check:backdrop:checked.button.flat, .header-bar .check.button.titlebutton:backdrop:checked,
+  .titlebar .check.button.titlebutton:backdrop:checked,
+  GtkCalendar.header .check.button.titlebutton:backdrop:checked {
     icon-shadow: none; }
 
 .check:backdrop:checked:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/checkbox-checked-backdrop-insensitive.png"), 
url("assets/checkbox-checked-backdrop-insensitive 2 png"));
   icon-shadow: none; }
-  .check:backdrop:checked:insensitive.button.flat {
+  .check:backdrop:checked:insensitive.button.flat, .header-bar 
.check.button.titlebutton:backdrop:checked:insensitive,
+  .titlebar .check.button.titlebutton:backdrop:checked:insensitive,
+  GtkCalendar.header .check.button.titlebutton:backdrop:checked:insensitive {
     icon-shadow: none; }
 
 .menu .menuitem.check {
@@ -1976,109 +2132,145 @@ GtkSwitch {
 .radio {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-unchecked.png"), url("assets/radio-unchecked 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .radio.button.flat {
+  .radio.button.flat, .header-bar .radio.button.titlebutton,
+  .titlebar .radio.button.titlebutton,
+  GtkCalendar.header .radio.button.titlebutton {
     icon-shadow: none; }
 
 .radio:hover {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-unchecked-hover.png"), url("assets/radio-unchecked-hover 2 
png"));
   icon-shadow: 0 1px 0 white; }
-  .radio:hover.button.flat {
+  .radio:hover.button.flat, .header-bar .radio.button.titlebutton:hover,
+  .titlebar .radio.button.titlebutton:hover,
+  GtkCalendar.header .radio.button.titlebutton:hover {
     icon-shadow: none; }
 
 .radio:active {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-unchecked-active.png"), url("assets/radio-unchecked-active 
2 png"));
   icon-shadow: 0 1px 0 white; }
-  .radio:active.button.flat {
+  .radio:active.button.flat, .header-bar .radio.button.titlebutton:active,
+  .titlebar .radio.button.titlebutton:active,
+  GtkCalendar.header .radio.button.titlebutton:active {
     icon-shadow: none; }
 
 .radio:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-unchecked-insensitive.png"), 
url("assets/radio-unchecked-insensitive 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .radio:insensitive.button.flat {
+  .radio:insensitive.button.flat, .header-bar .radio.button.titlebutton:insensitive,
+  .titlebar .radio.button.titlebutton:insensitive,
+  GtkCalendar.header .radio.button.titlebutton:insensitive {
     icon-shadow: none; }
 
 .radio:backdrop {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-unchecked-backdrop.png"), 
url("assets/radio-unchecked-backdrop 2 png"));
   icon-shadow: none; }
-  .radio:backdrop.button.flat {
+  .radio:backdrop.button.flat, .header-bar .radio.button.titlebutton:backdrop,
+  .titlebar .radio.button.titlebutton:backdrop,
+  GtkCalendar.header .radio.button.titlebutton:backdrop {
     icon-shadow: none; }
 
 .radio:backdrop:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-unchecked-backdrop-insensitive.png"), 
url("assets/radio-unchecked-backdrop-insensitive 2 png"));
   icon-shadow: none; }
-  .radio:backdrop:insensitive.button.flat {
+  .radio:backdrop:insensitive.button.flat, .header-bar .radio.button.titlebutton:backdrop:insensitive,
+  .titlebar .radio.button.titlebutton:backdrop:insensitive,
+  GtkCalendar.header .radio.button.titlebutton:backdrop:insensitive {
     icon-shadow: none; }
 
 .radio:inconsistent {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-mixed.png"), url("assets/radio-mixed 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .radio:inconsistent.button.flat {
+  .radio:inconsistent.button.flat, .header-bar .radio.button.titlebutton:inconsistent,
+  .titlebar .radio.button.titlebutton:inconsistent,
+  GtkCalendar.header .radio.button.titlebutton:inconsistent {
     icon-shadow: none; }
 
 .radio:inconsistent:hover {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-mixed-hover.png"), url("assets/radio-mixed-hover 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .radio:inconsistent:hover.button.flat {
+  .radio:inconsistent:hover.button.flat, .header-bar .radio.button.titlebutton:inconsistent:hover,
+  .titlebar .radio.button.titlebutton:inconsistent:hover,
+  GtkCalendar.header .radio.button.titlebutton:inconsistent:hover {
     icon-shadow: none; }
 
 .radio:inconsistent:selected {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-mixed-active.png"), url("assets/radio-mixed-active 2 
png"));
   icon-shadow: 0 1px 0 white; }
-  .radio:inconsistent:selected.button.flat {
+  .radio:inconsistent:selected.button.flat, .header-bar .radio.button.titlebutton:inconsistent:selected,
+  .titlebar .radio.button.titlebutton:inconsistent:selected,
+  GtkCalendar.header .radio.button.titlebutton:inconsistent:selected {
     icon-shadow: none; }
 
 .radio:inconsistent:backdrop {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-mixed-backdrop.png"), url("assets/radio-mixed-backdrop 2 
png"));
   icon-shadow: none; }
-  .radio:inconsistent:backdrop.button.flat {
+  .radio:inconsistent:backdrop.button.flat, .header-bar .radio.button.titlebutton:inconsistent:backdrop,
+  .titlebar .radio.button.titlebutton:inconsistent:backdrop,
+  GtkCalendar.header .radio.button.titlebutton:inconsistent:backdrop {
     icon-shadow: none; }
 
 .radio:inconsistent:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-mixed-insensitive.png"), 
url("assets/radio-mixed-insensitive 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .radio:inconsistent:insensitive.button.flat {
+  .radio:inconsistent:insensitive.button.flat, .header-bar 
.radio.button.titlebutton:inconsistent:insensitive,
+  .titlebar .radio.button.titlebutton:inconsistent:insensitive,
+  GtkCalendar.header .radio.button.titlebutton:inconsistent:insensitive {
     icon-shadow: none; }
 
 .radio:inconsistent:insensitive:backdrop {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-mixed-backdrop-insensitive.png"), 
url("assets/radio-mixed-backdrop-insensitive 2 png"));
   icon-shadow: none; }
-  .radio:inconsistent:insensitive:backdrop.button.flat {
+  .radio:inconsistent:insensitive:backdrop.button.flat, .header-bar 
.radio.button.titlebutton:inconsistent:insensitive:backdrop,
+  .titlebar .radio.button.titlebutton:inconsistent:insensitive:backdrop,
+  GtkCalendar.header .radio.button.titlebutton:inconsistent:insensitive:backdrop {
     icon-shadow: none; }
 
 .radio:checked {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-checked.png"), url("assets/radio-checked 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .radio:checked.button.flat {
+  .radio:checked.button.flat, .header-bar .radio.button.titlebutton:checked,
+  .titlebar .radio.button.titlebutton:checked,
+  GtkCalendar.header .radio.button.titlebutton:checked {
     icon-shadow: none; }
 
 .radio:checked:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-checked-insensitive.png"), 
url("assets/radio-checked-insensitive 2 png"));
   icon-shadow: 0 1px 0 white; }
-  .radio:checked:insensitive.button.flat {
+  .radio:checked:insensitive.button.flat, .header-bar .radio.button.titlebutton:checked:insensitive,
+  .titlebar .radio.button.titlebutton:checked:insensitive,
+  GtkCalendar.header .radio.button.titlebutton:checked:insensitive {
     icon-shadow: none; }
 
 .radio:checked:hover {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-checked-hover.png"), url("assets/radio-checked-hover 2 
png"));
   icon-shadow: 0 1px 0 white; }
-  .radio:checked:hover.button.flat {
+  .radio:checked:hover.button.flat, .header-bar .radio.button.titlebutton:checked:hover,
+  .titlebar .radio.button.titlebutton:checked:hover,
+  GtkCalendar.header .radio.button.titlebutton:checked:hover {
     icon-shadow: none; }
 
 .radio:checked:active {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-checked-active.png"), url("assets/radio-checked-active 2 
png"));
   icon-shadow: 0 1px 0 white; }
-  .radio:checked:active.button.flat {
+  .radio:checked:active.button.flat, .header-bar .radio.button.titlebutton:checked:active,
+  .titlebar .radio.button.titlebutton:checked:active,
+  GtkCalendar.header .radio.button.titlebutton:checked:active {
     icon-shadow: none; }
 
 .radio:backdrop:checked {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-checked-backdrop.png"), url("assets/radio-checked-backdrop 
2 png"));
   icon-shadow: none; }
-  .radio:backdrop:checked.button.flat {
+  .radio:backdrop:checked.button.flat, .header-bar .radio.button.titlebutton:backdrop:checked,
+  .titlebar .radio.button.titlebutton:backdrop:checked,
+  GtkCalendar.header .radio.button.titlebutton:backdrop:checked {
     icon-shadow: none; }
 
 .radio:backdrop:checked:insensitive {
   -gtk-icon-source: -gtk-scaled(url("assets/radio-checked-backdrop-insensitive.png"), 
url("assets/radio-checked-backdrop-insensitive 2 png"));
   icon-shadow: none; }
-  .radio:backdrop:checked:insensitive.button.flat {
+  .radio:backdrop:checked:insensitive.button.flat, .header-bar 
.radio.button.titlebutton:backdrop:checked:insensitive,
+  .titlebar .radio.button.titlebutton:backdrop:checked:insensitive,
+  GtkCalendar.header .radio.button.titlebutton:backdrop:checked:insensitive {
     icon-shadow: none; }
 
 .menu .menuitem.radio {
@@ -2685,11 +2877,15 @@ GtkLevelBar.vertical {
     .level-bar.fill-block.empty-fill-block:backdrop {
       border-color: rgba(84, 89, 90, 0.15); }
 
-.view:selected, .view:selected:focus, .view:selected:hover, GtkLabel:selected, GtkLabel:selected:focus, 
GtkLabel:selected:hover, .entry:selected, .entry:selected:focus, .menuitem.button.flat:selected {
+.view:selected, .view:selected:focus, .view:selected:hover, GtkLabel:selected, GtkLabel:selected:focus, 
GtkLabel:selected:hover, .entry:selected, .entry:selected:focus, .menuitem.button.flat:selected, .header-bar 
.menuitem.button.titlebutton:selected,
+.titlebar .menuitem.button.titlebutton:selected,
+GtkCalendar.header .menuitem.button.titlebutton:selected {
   background-color: #4a90d9;
   color: #ffffff;
   outline-color: rgba(255, 255, 255, 0.3); }
-  .view:backdrop:selected, GtkLabel:backdrop:selected, .entry:backdrop:selected, 
.menuitem.button.flat:backdrop:selected {
+  .view:backdrop:selected, GtkLabel:backdrop:selected, .entry:backdrop:selected, 
.menuitem.button.flat:backdrop:selected, .header-bar .menuitem.button.titlebutton:backdrop:selected,
+  .titlebar .menuitem.button.titlebutton:backdrop:selected,
+  GtkCalendar.header .menuitem.button.titlebutton:backdrop:selected {
     color: #fcfcfc; }
 
 /**********
@@ -2788,7 +2984,11 @@ GtkScrolledWindow GtkViewport.frame {
     box-shadow: inset 0 -1px rgba(0, 0, 0, 0.3), inset 0 1px rgba(255, 255, 255, 0.1);
     text-shadow: 0 1px black;
     icon-shadow: 0 1px black; }
-    .app-notification.frame .button.flat {
+    .app-notification.frame .button.flat, .app-notification.frame .header-bar .button.titlebutton, 
.header-bar .app-notification.frame .button.titlebutton,
+    .app-notification.frame .titlebar .button.titlebutton,
+    .titlebar .app-notification.frame .button.titlebutton,
+    .app-notification.frame GtkCalendar.header .button.titlebutton,
+    GtkCalendar.header .app-notification.frame .button.titlebutton {
       icon-shadow: 0 1px black;
       text-shadow: 0 1px black; }
     .app-notification.frame .button:hover {
@@ -3267,44 +3467,6 @@ GtkVolumeButton.button {
     border-radius: 7px;
     box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0, 0, 0, 0.13); }
 
-.header-bar .button.titlebutton,
-.titlebar .button.titlebutton,
-GtkCalendar.header .button.titlebutton {
-  padding: 8px;
-  border-color: transparent;
-  background-image: none;
-  transition-property: border, box-shadow, color;
-  box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(255, 255, 255, 0); }
-  .header-bar .button.titlebutton:hover,
-  .titlebar .button.titlebutton:hover,
-  GtkCalendar.header .button.titlebutton:hover {
-    color: #2e3436;
-    background-image: linear-gradient(to bottom, #fafafa, #ededed 40%, #e0e0e0);
-    border-color: #a1a1a1;
-    text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-    icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-    box-shadow: inset 0 1px white, 0 1px white; }
-  .header-bar .button.titlebutton:active,
-  .titlebar .button.titlebutton:active,
-  GtkCalendar.header .button.titlebutton:active {
-    color: #2e3436;
-    border-color: #a1a1a1;
-    background-image: linear-gradient(to bottom, #d6d6d6, #e0e0e0);
-    text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-    icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-    box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6), 0 1px white; }
-  .header-bar .button.titlebutton:backdrop,
-  .titlebar .button.titlebutton:backdrop,
-  GtkCalendar.header .button.titlebutton:backdrop {
-    color: #54595a;
-    border-color: #a8a8a8;
-    background-image: linear-gradient(to bottom, #ededed);
-    text-shadow: none;
-    icon-shadow: none;
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(255, 255, 255, 0);
-    border-color: transparent;
-    transition-property: border, box-shadow, color; }
-
 /* GTK NAMED COLORS */
 @define-color theme_fg_color #2e3436;
 @define-color theme_bg_color #ededed;


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