ul.nav { 
  list-style:none;
  margin-left:50px;
}

ul.nav li {
  float:left;
  width:140px;
  height:54px;
  margin-right:3px;
}
ul.nav li a {
  display:block;
  background:url(../images/layout/nav.png) left top no-repeat;
  text-align:center;
  font-size:16px;
  font-weight:bold;
  font-family:arial;
  text-transform:uppercase;
  text-decoration:none;
  color:#58595B;
  height:54px;
  padding-top:8px;
}
ul.nav li a:hover,ul.nav li a.active { 
  background:url(../images/layout/nav_hover.png) left top no-repeat;
}