polygerrit-ui/app/styles/gr-subpage-styles.js

/**
 * @license
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
const $_documentContainer = document.createElement('template');

$_documentContainer.innerHTML = `<dom-module id="gr-subpage-styles">
  <template>
    <style>
      main {
        margin: var(--spacing-l);
      }
      .loading {
        display: none;
      }
      #loading.loading {
        display: block;
      }
      #loading:not(.loading) {
        display: none;
      }
    </style>
  </template>
</dom-module>`;

document.head.appendChild($_documentContainer.content);

/*
  FIXME(polymer-modulizer): the above comments were extracted
  from HTML and may be out of place here. Review them and
  then delete this comment!
*/