ul#Navigation {
    margin: 0; 
    text-align: center;
  }
  ul#Navigation li {
    list-style: none;
    display: inline;
    margin: 0; padding: 0;
  }

  ul#Navigation a, ul#Navigation span {
    float: left; width: 6em;
    margin: 0.4em; padding: 0.2em 1em;
    text-decoration: none; font-weight: bold;
    border: 1px solid black;
    border-left-color: white; border-top-color: white;
    color: maroon; background-color: #E5F9FF;
  }
  * html ul#Navigation a, * html ul#Navigation span {  /* Korrektur fuer IE 5.x */
    width: 8em;
    w\idth: 6em;
  }
  ul#Navigation a:hover, ul#Navigation span {
    border-color: white;
    border-left-color: black; border-top-color: black;
    color: white; background-color: gray;
  }
 // ul#Navigation div {
   //  clear: left;
  //}