[gnome-themes-standard] viewport: don't set a background color by default

[Cosimo Cecchi <cosimoc src gnome org>]

commit a7406e56b1597ff2642a39d55433a719b0d6d477
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Fri Dec 7 10:52:33 2012 -0500

    viewport: don't set a background color by default

 themes/Adwaita/gtk-3.0/gtk-widgets.css |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets.css b/themes/Adwaita/gtk-3.0/gtk-widgets.css
index f7e668d..eefe770 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets.css
@@ -1119,14 +1119,6 @@ GtkScrolledWindow GtkViewport.frame {
     border-style: none;
 }
 
-GtkViewport {
-    background-color: @theme_base_color;
-}
-
-GtkViewport:backdrop {
-    background-color: @theme_unfocused_base_color;
-}
-
 /***********
  * Buttons *
  ***********/