[gnome-shell] css: Re-add rule lost in commit fd256b6

[Rui Matos <rtcm src gnome org>]

commit 04fb688f7db514f729ad77f11b30a9e3760ec6e2
Author: Rui Matos <tiagomatos gmail com>
Date:   Fri Jul 6 16:55:40 2012 +0200

    css: Re-add rule lost in commit fd256b6

 data/theme/gnome-shell.css |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/data/theme/gnome-shell.css b/data/theme/gnome-shell.css
index babb938..56b88ff 100644
--- a/data/theme/gnome-shell.css
+++ b/data/theme/gnome-shell.css
@@ -803,6 +803,13 @@ StScrollBar StButton#vhandle:hover
     transition-duration: 100;
 }
 
+.app-well-app:focus > .overview-icon,
+.search-result-content:focus > .overview-icon,
+.app-well-app:selected > .overview-icon,
+.search-result-content:selected > .overview-icon {
+    background-color: rgba(255,255,255,0.33);
+}
+
 /* LookingGlass */
 
 #LookingGlassDialog