diff --git a/src/wp-content/themes/twentyfourteen/style.css b/src/wp-content/themes/twentyfourteen/style.css
index db94cdee05..23cba936c2 100644
--- a/src/wp-content/themes/twentyfourteen/style.css
+++ b/src/wp-content/themes/twentyfourteen/style.css
@@ -2709,6 +2709,7 @@ a.post-thumbnail:hover {
 	display: block;
 	position: relative;
 	padding-top: 55.357142857%;
+	overflow: hidden;
 }
 
 .featured-content .post-thumbnail img {