#header ul {
    list-style: none;
    margin: 10px;
    padding: 0;
}
#header ul li a {
    background-color: #FFFFFF;
    border: 1px solid #999999;
    color: #222222;
    display: block;
    font-size: 17px;
    font-weight: bold;
    margin-bottom: -1px;
    padding: 12px 10px;
    text-decoration: none;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}