ul {
    margin: 0;
    padding: 0;
    width: 160px;
    overflow: hidden;
}

#menu li {
    list-style: none;
    margin: 0;
    padding: 0;
    background-color: #c6c6c6;
}

#menu li a{
    padding: 2px 10px;
    text-decoration: none;
}

#menu ul.submenu li{
    list-style:none;
    background-color: #f2f2f2;
    border-top: 1px solid #666;
    margin: 0;
    font-size: 16px;
    height: 20px;
    padding: 2px 10px;
}