[gnome-themes-standard] osd: make GtkOverlay OSDs automatically transparent

[Cosimo Cecchi <cosimoc src gnome org>]

commit e7aaadc63ad711f63107bb06767d8bb7b6f3e049
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed May 23 12:31:30 2012 -0400

    osd: make GtkOverlay OSDs automatically transparent
    
    Since that's what they're used for.

 themes/Adwaita/gtk-3.0/gtk-widgets.css |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets.css b/themes/Adwaita/gtk-3.0/gtk-widgets.css
index feafb5d..861e5e8 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets.css
@@ -2027,6 +2027,10 @@ GtkCheckButton:selected:focus {
     text-shadow: 0 1px @osd_text_shadow;
 }
 
+GtkOverlay.osd {
+    background-color: transparent;
+}
+
 .osd.toolbar {
     padding: 16px;
     border-style: none;