div {
    font-size: 11px;
    font-family: Verdana;
    background-position: 50% 50%

}

#principale {
    color: #000000;
    text-decoration: None;
}

#sottomenu {
    position: Absolute;
    visibility: Hidden;
    width: 135px;
    padding: 1px;
    border: Solid 1px #000000;
}