Ticket #52816: 52816.diff

src/wp-content/themes/twentyseventeen/assets/css/editor-style.css

@@ -24 +24 @@
 body {
         background-color: #fff;
         color: #333;
-        margin: 20px 40px;
+        margin: auto 20px;
         max-width: 580px;
 }