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third_party/polymer/components/neon-animation/animations/hero-animation.html

 <!--
 @license
 Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
 This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
 The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
 Code distributed by Google as part of the polymer project is also
 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
 
@@ skipping 39 matching lines @@
       }
 
       var fromRect = shared.from.getBoundingClientRect();
       var toRect = shared.to.getBoundingClientRect();
 
       var deltaLeft = fromRect.left - toRect.left;
       var deltaTop = fromRect.top - toRect.top;
       var deltaWidth = fromRect.width / toRect.width;
       var deltaHeight = fromRect.height / toRect.height;
 
-      this.setPrefixedProperty(shared.to, 'transformOrigin', '0 0');
-      shared.to.style.zIndex = 10000;
-      shared.from.style.visibility = 'hidden';
-
       this._effect = new KeyframeEffect(shared.to, [
         {'transform': 'translate(' + deltaLeft + 'px,' + deltaTop + 'px) scale(' + deltaWidth + ',' + deltaHeight + ')'},
         {'transform': 'none'}
       ], this.timingFromConfig(config));
 
+      this.setPrefixedProperty(shared.to, 'transformOrigin', '0 0');
+      shared.to.style.zIndex = 10000;
+      shared.from.style.visibility = 'hidden';
+
       return this._effect;
     },
 
     complete: function(config) {
       var shared = this.findSharedElements(config);
       if (!shared) {
         return null;
       }
       shared.to.style.zIndex = '';
       shared.from.style.visibility = '';
     }
 
   });
 
 </script>