ul#list-nav {
   list-style: none;
   margin: 20px;
   padding: 0;
   width: 650px;
   font-weight: bold;
}

ul#list-nav li {
   display: inline;
}

ul#list-nav li a {
   text-decoration: none;
   padding: 2px 0;
   width: 125px;
   background:  #3366cc;
   color: #fff;
   float: left;
   text-align: center;
   border-left: 1px solid #fff;
}

ul#list-nav li a:hover {
   background: #a2b3a1;
   color: #000;
}