chrome/browser/resources/gaia_auth/main.css

/* Copyright 2013 The Chromium Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

html,
body,
iframe {
  height: 100%;
  margin: 0;
  padding: 0;
  width: 100%;
}

iframe {
  overflow: hidden;
}

webview {
  display: inline-block;
  height: 100%;
  margin: 0;
  padding: 0;
  width: 100%;
}