<style type="text/css">


  table.gen {}
  tr a {text-decoration: none;text-align: center;}
  ul { list-style: none;padding: 0px;margin: 0px;}
  ul li {display: block;position: relative;float: left;border:1px; solid #000;}
  li ul {display: none;}
  ul li a {display: block; background: #FFFFCC;text-decoration: none;
          padding: 5px 10px 5px 10px; white-space: nowrap; color: #000;}
  ul li a:hover {background: silver;} 
  li:hover ul {display: block; position: absolute;}
  li:hover li {float: none;text-width: 100px;}
  li:hover a {background: #FFFFCC;}
  li:hover li a:hover {background: silver;}
  #drop-nav li ul li {border-top: 0px;}
  td a:hover {background:pink;}

 

</style> 