abbr {
    border-bottom: 1px dotted #111;
    cursor: help;
    display: inline-block
}

#tooltip {
    font-family: Ubuntu, sans-serif;
    font-size: .875em;
    text-align: center;
    text-shadow: 0 1px rgba(0, 0, 0, .5);
    line-height: 1.5;
    color: #fff;
    background: #333;
    background: rgba(0, 0, 0, .7);
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -webkit-box-shadow: 0 3px 5px rgba(0, 0, 0, .3);
    -moz-box-shadow: 0 3px 5px rgba(0, 0, 0, .3);
    box-shadow: 0 3px 5px rgba(0, 0, 0, .3);
    position: absolute;
    z-index: 100;
    padding: 15px;
    pointer-events: none
}

#tooltip:after {
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid #333;
    content: '';
    position: absolute;
    left: 50%;
    bottom: -10px;
    margin-left: -10px
}

#tooltip.top:after {
    border-top-color: transparent;
    border-bottom: 10px solid #333;
    border-bottom-color: rgba(0, 0, 0, .7);
    top: -20px;
    bottom: auto
}

#tooltip.left:after {
    left: 10px;
    margin: 0
}

#tooltip.right:after {
    right: 10px;
    left: auto;
    margin: 0
}