diff --git a/src/wp-content/themes/twentyfifteen/style.css b/src/wp-content/themes/twentyfifteen/style.css
index 5951091640..e5fb1add02 100644
--- a/src/wp-content/themes/twentyfifteen/style.css
+++ b/src/wp-content/themes/twentyfifteen/style.css
@@ -2446,6 +2446,7 @@ object,
 video {
 	margin-bottom: 1.6em;
 	max-width: 100%;
+	vertical-align: middle;
 }
 
 p > embed,