diff --git a/src/wp-includes/css/media-views.css b/src/wp-includes/css/media-views.css
index b8f53d01cd..17c37ecfc9 100644
--- a/src/wp-includes/css/media-views.css
+++ b/src/wp-includes/css/media-views.css
@@ -944,7 +944,9 @@
 	border-radius: 3px;
 	-webkit-box-shadow: 0 0 0 1px rgba( 0, 0, 0, 0.3 );
 	box-shadow: 0 0 0 1px rgba( 0, 0, 0, 0.3 );
+	-webkit-transition-duration: none;
 	transition-duration: none;
+	-webkit-transition-property: none;
 	transition-property: none;
 }