[gnome-themes-standard] csd: first iteration of CSD shadows

[Cosimo Cecchi <cosimoc src gnome org>]

commit b0a7f82c35991cbeda7ce01343dfa47f3426a8d0
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Tue Apr 9 15:03:36 2013 -0400

    csd: first iteration of CSD shadows

 themes/Adwaita/gtk-3.0/gtk-main.css    |    2 ++
 themes/Adwaita/gtk-3.0/gtk-widgets.css |   12 ++++++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-main.css b/themes/Adwaita/gtk-3.0/gtk-main.css
index bce965b..01128ac 100644
--- a/themes/Adwaita/gtk-3.0/gtk-main.css
+++ b/themes/Adwaita/gtk-3.0/gtk-main.css
@@ -188,6 +188,8 @@
 @define-color wm_bg_a shade (@theme_bg_color, 1.1);
 @define-color wm_bg_b @theme_bg_color;
 
+ define-color wm_shadow alpha(black, 0.7);
+
 @define-color wm_button_bg_a shade (@theme_bg_color, 1.0);
 @define-color wm_button_bg_b shade (@theme_bg_color, 0.85);
 @define-color wm_button_bg_c shade (@theme_bg_color, 0.8);
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets.css b/themes/Adwaita/gtk-3.0/gtk-widgets.css
index 8265405..5f40e10 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets.css
@@ -4045,13 +4045,21 @@ GtkBubbleWindow .toolbar {
     border-radius: 10px 10px 0 0;
     border-width: 1px;
     border-style: solid;
+
+    box-shadow: 0 2px 8px 3px @wm_shadow;
+}
+
+.window-border:backdrop {
+    box-shadow: 0 2px 5px 1px @wm_shadow;
 }
 
 .window-outer-border {
     border-color: transparent;
-    border-radius: 10px;
-    border-width: 10px;
     border-style: solid;
+
+    /* FIXME: we need an additional style property for the size
+     * of the invisible drag border */
+    border-width: 13px;
 }
 
 /**********************