npm_modules: Fork bower_components into Polymer 0.4.0 and 0.5.0 versions

polymer_0.5.0/bower_components/core-transition/core-transition-overlay.css

 /* Copyright (c) 2014 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 */
 
 :host(.core-transition) {
   outline: none;
   overflow: auto;
   opacity: 0;
+  -webkit-transition: -webkit-transform 0.2s ease-in-out, opacity 0.2s ease-in;
   transition: transform 0.2s ease-in-out, opacity 0.2s ease-in;
-  -webkit-transition: -webkit-transform 0.2s ease-in-out, opacity 0.2s ease-in;
 }
 
 
 :host(.core-transition.core-opened) {
   opacity: 1;
+  -webkit-transform: translateZ(0);
   transform: translateZ(0);
-  -webkit-transform: translateZ(0);
 }
 
 :host(.core-transition-center) {
+  -webkit-transform: scale(0.5);
   transform: scale(0.5);
-  -webkit-transform: scale(0.5);
 }
 
 :host(.core-transition-top) {
+  -webkit-transform: translateY(-200%);
   transform: translateY(-200%);
-  -webkit-transform: translateY(-200%);
 }
 
 :host(.core-transition-bottom) {
+  -webkit-transform: translateY(200%);
   transform: translateY(200%);
-  -webkit-transform: translateY(200%);
 }
 
 :host(.core-transition-left) {
+  -webkit-transform: translateX(-200%);
   transform: translateX(-200%);
-  -webkit-transform: translateX(-200%);
 }
 
 :host(.core-transition-right) {
+  -webkit-transform: translateX(200%);
   transform: translateX(200%);
-  -webkit-transform: translateX(200%);
 }