text: /* This Source Code Form is subject to the terms of the Mozilla Public
   * License, v. 2.0. If a copy of the MPL was not distributed with this
   * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  
  /* This sheet is added to the style set for documents with frames disabled */
  
  noframes {
    display: block;
  }
  
  frame, frameset, iframe {
    display: none !important;
  }
  