/* buttons-11.3.css */
      body { font-family: Verdana, sans-serif;
           }
      h1 { color: navy; }
      .navbar a:link, .navbar a:visited
           { font: bold 8pt Verdana, sans-serif;
             padding: 0.5em; margin: 0.5em;
             display: block; text-decoration: none;
             background: url("../graphics/button.gif") transparent
                         50% 50% no-repeat; }
      .navbar a:link    { color: yellow; }
      .navbar a:visited { color: lime; }
      .navbar a:hover, .navbar a:focus
           { background-image: url("../graphics/button_yellow.gif");
             color: black; }
      .navbar a:hover:visited, .navbar a:focus:visited
           { background-image: url("../graphics/button_green.gif");
             color: #ff0000; }