[gnome-themes-standard] titlebar: set a default background color for backdrop titlebars

[Matthias Clasen <matthiasc src gnome org>]

commit a90e94c17512b024749087eb04985485525d0106
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Fri Aug 16 19:27:40 2013 +0200

    titlebar: set a default background color for backdrop titlebars
    
    https://bugzilla.gnome.org/show_bug.cgi?id=706068

 themes/Adwaita/gtk-3.0/gtk-widgets.css |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets.css b/themes/Adwaita/gtk-3.0/gtk-widgets.css
index 26ff0ce..b66684e 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets.css
@@ -4015,6 +4015,7 @@ GtkBubbleWindow .toolbar {
 .titlebar:backdrop {
     text-shadow: none;
     background-image: none;
+    background-color: @wm_bg_b;
 }
 
 .titlebar .titlebutton {