Ottimiziamo un po'?
codice:
#navcontainer {
   margin:0; padding:0;
   float:right;
}
#navcontainer ul {
   margin:0; padding:0;
   list-style-type:none;
   text-align:left;
}
#navcontainer ul li { float:left }
#navcontainer ul li a {
   text-decoration:none;
   font:bold 1em Verdana, Arial, Helvetica, sans-serif;
   color:#d9d9d9;
   width:85px; height: 64px;
   margin-left:1px; padding-left:5px;
   border-left:1px solid #000;
}
#navcontainer li a:hover { color: #000 }