.tooltip {
    background-color: white;
    border: 2px solid #CCCCCC;
    color: #303030;
    font-family: sans-serif;
    font-size: 12px;
    line-height: 18px;
    padding: 10px 13px;
    position: absolute;
    text-align: center;
    text-decoration: none;
    z-index: 1;
    margin: 0;
    width: 320px;
    clear: both;
    max-height: 400px;
    overflow: auto;
}