chrome/common/extensions/docs/static/css/index.css

/* Copyright (c) 2012 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.
 */

#gc-pagecontent {
  margin: 0;
}

#gc-pagecontent #index td {
  padding: 6px 12px;
}

#howDoIStart {
  width: 330px;
}

#howDoIStart ol {
  margin: 0 0 1em 15px;
  padding: 0;
}