body {
    font-family: Arial, Helvetica, sans-serif;
}

div.tooltip {
    position: absolute;
    text-align: center;
    vertical-align: middle;
    width: 120px;
    height: 42px;
    padding: 2px;
    font: 12px sans-serif;
    background: lightsteelblue;
    border: 0px;
    border-radius: 8px;
    pointer-events: none;
}