div#header {
          top:155px;
          position:relative;
          left:0;
          width:700px;
          z-index:1000;
          background-attachment:fixed;
         }

div#header ul {
 margin:0;
 padding:0;
 list-style-type:none;
 text-align:center;
 font: 12px Verdana;   
 }
 
 
div#header li {
 float:left;
 margin:auto;
 padding:0;
 background-color:transparent;
 }
 
 
div#header li a {
 display:block;
 width:95px;
 height:30px;
 vertical-align:middle;
 color:black;
 text-decoration:none;
 }
 
 
div#header li a:hover {
 background-color:#d7d9dc;
 }


div#header ul li ul {
 margin-top:0px;
 display:none;
 font: 10px Verdana; 
 text-align:center;
 height:30px;
 width:95px;
 }
 

div#header ul ul li a {
  background-color:#6699FF;
              } 
              
 
div#header ul li:hover ul {
   display:block;
  }
  
  
div#header li ul li {
  float:none;
  border-bottom: 1px solid #000; 
  }


#header {
 height:auto;
 }