Index: wp-includes/css/media-views.css
===================================================================
--- wp-includes/css/media-views.css	(revision 22599)
+++ wp-includes/css/media-views.css	(working copy)
@@ -311,7 +311,8 @@
 	margin: 0;
 	padding: 16px 0;
 	z-index: 200;
-	box-shadow: inset -6px 0 6px -6px rgba( 0, 0, 0, 0.4 );
+	box-shadow: inset -6px 0 6px -6px rgba( 0, 0, 0, 0.1 );
+	border-right: 1px solid #dfdfdf;
 	-webkit-user-select: none;
 	-moz-user-select: none;
 	-ms-user-select: none;
@@ -1128,4 +1129,4 @@
 	width: 100%;
 	max-width: 400px;
 	margin: 1px 0;
-}
\ No newline at end of file
+}