.fdh-history-list {
    float: right;
    position: relative;
    text-align: right;
    font-size: 80%;
  }
  .fdh-history-button {
    padding: 0.2em 0.1em 0.2em 0.4em;
    cursor: pointer;
    border-radius: 2px;
  }
  .fdh-history-list:hover .fdh-history-button,
  .fdh-history-list:focus .fdh-history-button {
    background-color: Highlight;
    color: HighlightText;
  }
  .fdh-history-button span {
    vertical-align: middle;
    font-size: 80%;
  }
  .fdh-history-list menu {
    display: none;
    margin: 0;
    padding: 0;
    background-color: Menu;
    color: MenuText;
    font-size: 100%;
    border: 2px outset #C0C0C0;
    border-radius: 2px;
  }
  .fdh-history-list:hover menu,
  .fdh-history-list:focus menu {
    display: block;
    text-align: left;
  }
  .fdh-history-list li {
    display: block;
    margin: 0;
    padding: 0.2em 0.4em;
    font-size: 100%;
    line-height: 1.2;
    cursor: pointer;
  }
  .fdh-history-list li:hover,
  .fdh-history-list li:focus {
    background-color: Highlight;
    color: HighlightText;
  }
  .fdh-history-list-item-control + .fdh-history-list-item-control::before {
    content: " / ";
  }

/* ***** BEGIN LICENSE BLOCK *****
 * Copyright 2011 Wakaba <w@suika.fam.cx>.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or 
 * modify it under the same terms as Perl itself.
 *
 * Alternatively, the contents of this file may be used 
 * under the following terms (the "MPL/GPL/LGPL"), 
 * in which case the provisions of the MPL/GPL/LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of the MPL/GPL/LGPL, and not to allow others to
 * use your version of this file under the terms of the Perl, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the MPL/GPL/LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the Perl or the MPL/GPL/LGPL.
 *
 * "MPL/GPL/LGPL":
 *
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/>
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is FDH code.
 *
 * The Initial Developer of the Original Code is Wakaba.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Wakaba <w@suika.fam.cx>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the LGPL or the GPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */