Ticket #50086: 50086.diff

src/wp-content/themes/twentyfifteen/css/editor-style.css

@@ -28 +28 @@
         font-weight: 400;
         font-size: 17px;
         line-height: 1.6471;
-        margin: 20px 40px;
         max-width: 660px;
         vertical-align: baseline;
 }
 
+.mce-container-body body {
+        margin: 20px 40px;
+}
 
+
 /**
  * 2.0 Typography
  */