5 is: 'opaque-animation',
8 Polymer.NeonAnimationBehavior
11 configure: function(config) {
12 var node = config.node;
13 node.style.opacity = '0';
14 this._effect = new KeyframeEffect(node, [
17 ], this.timingFromConfig(config));
21 complete: function(config) {
22 config.node.style.opacity = '';