#nav {
    //float: left;
    width: 280px;
    border-top: 1px solid #999;
    border-right: 1px solid #999;
    border-left: 1px solid #999;
}
#nav li a {
    display: block;
    padding: 10px 15px;
    background: #ccc;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #999;
    text-decoration: none;
    color: #000;
}
#nav li a:hover, #nav li a.active {
    background: #999;
    color: #fff;
}
#nav li ul {
    display: none; // used to hide sub-menus
}
#nav li ul li a {
    padding: 10px 25px;
    background: #ececec;
    border-bottom: 1px dotted #ccc;
}