.tooltip
{
    color: #fff;
    background: rgba(0, 0, 0,0.75);
    padding: 7px;
    margin-top: 5px;
    display: none;
    position: absolute;
    border: 1px solid #000;
    border-radius: 3px;
    z-index: 9999;
}
.tooltip ul
{
    margin: 0;
}
.tooltip span
{
    background: url('/App_Themes/Blue/Icons/tooltip_narrow_left.gif') no-repeat top;
    width: 5px;
    height: 9px;
    position: absolute;
    left: -6px;
}