ul {
  color: dark-gray;
  font-size: 100%;
  font-family: Tahoma, Verdana, Helvetica,Arial,sans-serif;float: left; width: 100%;
  margin: 10; padding: 0;

}
ul li {
  list-style: none;
  list-style-image:url("http://www.teamworknet.de/TWN1.gif");
  margin: 10; padding: 0.5em;
}
ul a {
  
  padding: 0.2em;
  font-weight: bold;
}
ul a:link {
  color: black; background-color: #eee;
}
ul a:visited {
  color: #666; background-color: #eee;
}
ul a:hover {
  color: black; background-color: white;
}
ul a:active {
  color: white; background-color: gray;
}