diff --git a/wp-content/themes/twentyfifteen/style.css b/wp-content/themes/twentyfifteen/style.css
index 5951091640..e5fb1add02 100644
--- a/wp-content/themes/twentyfifteen/style.css
+++ b/wp-content/themes/twentyfifteen/style.css
@@ -2446,6 +2446,7 @@ object,
 video {
 	margin-bottom: 1.6em;
 	max-width: 100%;
+	vertical-align: middle;
 }
 
 p > embed,
diff --git a/wp-includes/version.php b/wp-includes/version.php
index dc48edea3a..c6cb2994a1 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.1-alpha-30302';
+$wp_version = '4.1-alpha-30303';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.