Index: wp-content/themes/twentyeleven/style.css
===================================================================
--- wp-content/themes/twentyeleven/style.css	(revision 18968)
+++ wp-content/themes/twentyeleven/style.css	(working copy)
@@ -504,7 +504,7 @@
 	border-top: 2px solid #bbb;
 	padding-bottom: 10px;
 	position: relative;
-	z-index: 2;
+	z-index: 9999;
 }
 #site-title {
 	margin-right: 270px;