diff --git a/wp-content/themes/twentyseventeen/style.css b/wp-content/themes/twentyseventeen/style.css
index 70913119b8..0acf9c6fb2 100644
--- a/wp-content/themes/twentyseventeen/style.css
+++ b/wp-content/themes/twentyseventeen/style.css
@@ -2935,6 +2935,7 @@ object {
 	box-shadow: none;
 	background: none;
 	display: inline-block;
+	width: 100%;
 }
 
 .gallery-item a img {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 3be541c1d3..724e90cb24 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-beta4-39338';
+$wp_version = '4.7-beta4-39339';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.