#nav{
  list-style: none;
  overflow: hidden;
}
 
#nav li{
  width: 158px;
  text-align: center;
  background-color: #eeeeee;
  border-bottom: 3px solid #fff;
  float: left;
  height: 50px;
  line-height: 50px;
  margin-right: 2px;
}

#nav li:hover{
  background:#def;
}

#nav li a{
  text-decoration: none;
  color: #808080;
  font-weight: bold;
  font-size: 90%;
  padding: 8px;
}