Fix DOM order example

Author: mrego

dom-order-issue.html

@@ -13,11 +13,6 @@
             grid-template-rows: 50px 50px;
         }
 
-        .grid div {
-            width: 100%;
-            height: 100%;
-        }
-
         .item {
             width: 100px;
             height: 100px;