#tooltip {
    text-align: left;
    text-shadow: 0 1px rgba(0, 0, 0, .5);
    color: #fff;
    background: rgba(0,0,0,.8);
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
    position: absolute;
    z-index: 8012;
    padding: 7px 15px;
    font-size: 12px;
    margin-left: -2px;
}

#tooltip:after {
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid rgba(0, 0, 0, .8);
    content: '';
    position: absolute;
    left: 50%;
    bottom: -4px;
    margin-left: -4px;
}

#tooltip.top:after {
    border-top-color: transparent;
    border-bottom: 4px solid;
    top: -20px;
    bottom: auto;
}

#tooltip.left:after {
    left: 4px;
    margin: 0;
}

#tooltip.right:after {
    right: 4px;
    left: auto;
    margin: 0;
}