Remove third_party/polymer from .gitignore

third_party/polymer/v1_0/components/paper-drawer-panel/paper-drawer-panel.css

-/**
-@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
-*/
-
-:host {
-  display: block;
-  position: absolute;
-  top: 0;
-  left: 0;
-  width: 100%;
-  height: 100%;
-  overflow: hidden;
-}
-
-iron-selector > #drawer {
-  position: absolute;
-  top: 0;
-  left: 0;
-  height: 100%;
-  background-color: white;
-
-  -moz-box-sizing: border-box;
-  box-sizing: border-box;
-
-  @apply(--paper-drawer-panel-drawer-container);
-}
-
-.transition > #drawer {
-  transition: -webkit-transform ease-in-out 0.3s, width ease-in-out 0.3s, visibility 0.3s;
-  transition: transform ease-in-out 0.3s, width ease-in-out 0.3s, visibility 0.3s;
-}
-
-.left-drawer > #drawer {
-  @apply(--paper-drawer-panel-left-drawer-container);
-}
-
-.right-drawer > #drawer {
-  left: auto;
-  right: 0;
-
-  @apply(--paper-drawer-panel-right-drawer-container);
-}
-
-iron-selector > #main {
-  position: absolute;
-  top: 0;
-  right: 0;
-  bottom: 0;
-
-  @apply(--paper-drawer-panel-main-container);
-}
-
-.transition > #main {
-  transition: left ease-in-out 0.3s, padding ease-in-out 0.3s;
-}
-
-.right-drawer > #main {
-  left: 0;
-}
-
-.right-drawer.transition > #main {
-  transition: right ease-in-out 0.3s, padding ease-in-out 0.3s;
-}
-
-#main > ::content > [main] {
-  height: 100%;
-}
-
-#drawer > ::content > [drawer] {
-  height: 100%;
-}
-
-#scrim {
-  position: absolute;
-  top: 0;
-  right: 0;
-  bottom: 0;
-  left: 0;
-  visibility: hidden;
-  opacity: 0;
-  transition: opacity ease-in-out 0.38s, visibility ease-in-out 0.38s;
-  background-color: rgba(0, 0, 0, 0.3);
-}
-
-.narrow-layout > #drawer {
-  will-change: transform;
-}
-
-.narrow-layout > #drawer.iron-selected {
-  box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.15);
-}
-
-.right-drawer.narrow-layout > #drawer.iron-selected {
-  box-shadow: -2px 2px 4px rgba(0, 0, 0, 0.15);
-}
-
-.narrow-layout > #drawer > ::content > [drawer] {
-  border: 0;
-}
-
-.left-drawer.narrow-layout > #drawer:not(.iron-selected) {
-  -webkit-transform: translateX(-100%);
-  transform: translateX(-100%);
-}
-
-.right-drawer.narrow-layout > #drawer:not(.iron-selected) {
-  left: auto;
-  visibility: hidden;
-
-  -webkit-transform: translateX(100%);
-  transform: translateX(100%);
-}
-
-.right-drawer.narrow-layout.dragging > #drawer:not(.iron-selected),
-.right-drawer.narrow-layout.peeking > #drawer:not(.iron-selected) {
-  visibility: visible;
-}
-
-.narrow-layout > #main {
-  padding: 0;
-}
-
-.right-drawer.narrow-layout > #main {
-  left: 0;
-  right: 0;
-}
-
-.narrow-layout > #main:not(.iron-selected) > #scrim,
-.dragging > #main > #scrim {
-  visibility: visible;
-  opacity: var(--paper-drawer-panel-scrim-opacity, 1);
-}
-
-.narrow-layout > #main > * {
-  margin: 0;
-  min-height: 100%;
-  left: 0;
-  right: 0;
-
-  -moz-box-sizing: border-box;
-  box-sizing: border-box;
-}
-
-iron-selector:not(.narrow-layout) #main ::content [paper-drawer-toggle] {
-  display: none;
-}