CSS: CSS Tooltips

gistfile1.css

a:hover {
    background:#ffffff;
    text-decoration:none;} /*BG color is a must for IE6*/

a.tooltip span {
    display:none;
    padding:2px 3px;
    margin-left:8px;
    width:130px;
}

a.tooltip:hover span{
    display:inline;
    position:absolute;
    background:#ffffff;
    border:1px solid #cccccc;
    color:#6c6c6c;
}