Index: wp-admin/widgets.php
===================================================================
--- wp-admin/widgets.php	(revision 39449)
+++ wp-admin/widgets.php	(working copy)
@@ -344,9 +344,12 @@
 require_once( ABSPATH . 'wp-admin/admin-header.php' ); ?>
 
 <div class="wrap">
-<h1>
+<h1 class="wp-heading-inline">
 <?php
 	echo esc_html( $title );
+?>
+</h1>
+<?php
 	if ( current_user_can( 'customize' ) ) {
 		printf(
 			' <a class="page-title-action hide-if-no-customize" href="%1$s">%2$s</a>',
@@ -361,7 +364,7 @@
 		);
 	}
 ?>
-</h1>
+<hr class="wp-header-end">
 
 <?php if ( isset($_GET['message']) && isset($messages[$_GET['message']]) ) { ?>
 <div id="message" class="updated notice is-dismissible"><p><?php echo $messages[$_GET['message']]; ?></p></div>