a.tooltip {
        font-weight: bold;
        background:#d1182d;
        color: #fff;
        padding: 0px 4px 0px 4px;
        margin-left: 4px;
    }
a.tooltip:hover {
    background:#fff;
    color: #d1182d;
    text-decoration:underline;
}
a.tooltip span {
        text-decoration:none;
        display:none;
         font-weight: normal;
        padding:2px 3px;
        margin-left:8px;
        width:130px;
    }
a.tooltip:hover span {
        display:inline;
        position:absolute;
        background:#ffffff;
        border:1px solid #cccccc;
        color:#6c6c6c;
}