Index: wp-includes/css/admin-bar.dev.css
===================================================================
--- wp-includes/css/admin-bar.dev.css	(revision 19148)
+++ wp-includes/css/admin-bar.dev.css	(working copy)
@@ -364,7 +364,7 @@
 
 	color: #ccc;
 	text-shadow: #444 0px -1px 0px;
-	background-color: rgba( 255, 255, 255, 0 );
+	background-color: #373737;
 
 	/* @todo: replace/move twenty eleven image to a core search icon. */
 	background-image: url('../../wp-content/themes/twentyeleven/images/search.png');
@@ -401,7 +401,7 @@
 	color: #555;
 	text-shadow: 0 1px 0 #fff;
 	width: 200px;
-	background-color: rgba( 255, 255, 255, 0.9 );
+	background-color: #ebebeb;
 }
 
 /* Two rules to ensure browser recognition */