Index: src/wp-includes/css/media-views.css
===================================================================
--- src/wp-includes/css/media-views.css	(revision 32060)
+++ src/wp-includes/css/media-views.css	(working copy)
@@ -231,12 +231,18 @@
 .media-toolbar-primary {
 	float: right;
 	height: 100%;
-	max-width: 33%;
 }
 
 .media-toolbar-secondary {
 	float: left;
 	height: 100%;
+}
+
+.attachments-browser .media-toolbar-primary {
+	max-width: 33%;
+}
+
+.attachments-browser .media-toolbar-secondary {
 	max-width: 66%;
 }