Index: wp-admin/css/wp-admin.dev.css
===================================================================
--- wp-admin/css/wp-admin.dev.css	(revision 19339)
+++ wp-admin/css/wp-admin.dev.css	(working copy)
@@ -2224,7 +2224,7 @@
 	margin: 0 40px 0 24px;
 	max-width: 270px;
 	min-width: 220px;
-	width: 35%;
+	width: 25%;
 	float: left;
 }
 .welcome-panel .welcome-panel-column:last-child {