diff --git a/wp-admin/css/wp-admin.css b/wp-admin/css/wp-admin.css
index fae17648c0..86b22f1d0e 100644
--- a/wp-admin/css/wp-admin.css
+++ b/wp-admin/css/wp-admin.css
@@ -8523,6 +8523,9 @@ a.widget-control-edit {
 .locale-ru-ru.press-this #side-sortables {
 	width: 245px; /* default 200px + 45px */
 }
+.locale-ru-ru #customize-header-actions .button {
+	padding: 0 8px 1px; /* default 0 10px 1px; */
+}
 
 /* lt_LT: QuickEdit */
 .locale-lt-lt .inline-edit-row fieldset label span.title {
diff --git a/wp-admin/customize.php b/wp-admin/customize.php
index 87b9a324d4..77037b1cc0 100644
--- a/wp-admin/customize.php
+++ b/wp-admin/customize.php
@@ -57,6 +57,10 @@ $is_ios = wp_is_mobile() && preg_match( '/iPad|iPod|iPhone/', $_SERVER['HTTP_USE
 if ( $is_ios )
 	$body_class .= ' ios';
 
+if ( is_rtl() )
+	$body_class .=  ' rtl';
+$body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_locale() ) ) );
+
 $admin_title = sprintf( __( '%1$s — WordPress' ), strip_tags( sprintf( __( 'Customize %s' ), $wp_customize->theme()->display('Name') ) ) );
 ?><title><?php echo $admin_title; ?></title><?php