Index: wp-content/themes/twentyeleven/style.css
===================================================================
--- wp-content/themes/twentyeleven/style.css	(revision 18140)
+++ wp-content/themes/twentyeleven/style.css	(working copy)
@@ -587,7 +587,7 @@
 	font-size: 13px;
 	font-weight: normal;
 	height: auto;
-	line-height: 1em;
+	line-height: 1.4em;
 	padding: 10px 10px;
 	width: 168px;
 }