Trigger page load animation

Author: adamschwartz

docs/welcome/index.html

@@ -606,7 +606,7 @@ <h2>Themes</h2>
             </div>
         </div>
 
-        <script>document.body.className = 'page-loaded';</script>
+        <script>setTimeout(function(){ document.body.className = 'page-loaded' }, 0);</script>
 
         <!-- Share -->