body
 {
  background-color:#003333;
  color:#FFFFFF;
  text-align:center;
  font-size:xx-large;
  line-height:1.5;
}

#nav
{
 width:90%; 
 margin-left:auto;
 margin-right:auto;
 list-style:none;
}

li
{
 float:left;
 background-color:#000000;
 height:75px;
 padding:12px 12px 12px 12px;
 list-style-type:none;
 border:solid 1px;
 border-top:solid 1px;
 border-bottom:solid 1px;
 border-color:#cc0000;
 text-align:center;
 font-size:40px;
 
}