Ticket #38917: 38917.patch

src/wp-includes/css/editor.css

@@ -858 +858 @@
         border-left-color: #23282d;
 }
 
+div.mce-notification {
+        left: 10% !important;
+        right: 10%;
+}
+
 .mce-notification button.mce-close {
         right: 6px;
         top: 3px;