#nav ul {/* style.css */
    list-style: none;
    margin: 0;
    padding: 0;
}
#nav li {
    float: left;
    margin-right: 4px;
}
#nav a {
    display: block;
    padding: 6px 12px;
    background-color: #ffeb00;
    border: 1px solid #999;
    text-decoration: none;
    color: #000;
}
#nav .active a {
    background-color: #ffffcc;
    font-weight: bold;
    border-bottom: none;
}
#nav a:hover {
    background-color: #ffffff;
}
#nav:after {
    content: "";
    display: block;
    clear: both;
}