Remove Polymer 0.5.

third_party/polymer/components/paper-dialog/paper-dialog-transition.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(.paper-dialog-transition) {
-  outline: none;
-  opacity: 0;
-  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
-  -webkit-transition: -webkit-transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
-}
-
-:host(.paper-dialog-transition.core-opened) {
-  opacity: 1;
-  transform: none;
-  -webkit-transform: none;
-}
-
-:host(.paper-dialog-transition-bottom) {
-  transform: scale(0.9) translateY(200%);
-  -webkit-transform: scale(0.9) translateY(200%);
-}
-
-:host(.paper-dialog-transition-center.core-opened) {
-  animation: paper-dialog-transition-center-keyframes 0.2s cubic-bezier(0.4, 0, 0.2, 1);
-  -webkit-animation: paper-dialog-transition-center-keyframes 0.2s cubic-bezier(0.4, 0, 0.2, 1);
-}
-
-@keyframes paper-dialog-transition-center-keyframes {
-  0% {
-    transform: scale(0.5) translateY(0);
-    -webkit-transform: scale(0.5) translateY(0);
-  }
-  90% {
-    transform: scale(1) translateY(-10px);
-    -webkit-transform: scale(1) translateY(-10px);
-  }
-  100% {
-    transform: scale(1) translateY(0);
-    -webkit-transform: scale(1) translateY(0);
-  }
-}
-
-@-webkit-keyframes paper-dialog-transition-center-keyframes {
-  0% {
-    transform: scale(0.5) translateY(0);
-    -webkit-transform: scale(0.5) translateY(0);
-  }
-  90% {
-    transform: scale(1) translateY(-10px);
-    -webkit-transform: scale(1) translateY(-10px);
-  }
-  100% {
-    transform: scale(1) translateY(0);
-    -webkit-transform: scale(1) translateY(0);
-  }
-}