Index: src/wp-includes/css/media-views.css
===================================================================
--- src/wp-includes/css/media-views.css	(revision 45525)
+++ src/wp-includes/css/media-views.css	(working copy)
@@ -273,10 +273,10 @@
 }
 
 .media-frame-toolbar .media-toolbar {
-	top: initial;
+	top: auto;
 	bottom: -45px;
 	height: auto;
-	overflow: initial;
+	overflow: visible;
 	border-top: 1px solid #ddd;
 }