#infovis {
    position:relative;
    width:1024px;
    height:768px;
    margin:auto;
    overflow:hidden;
}

.tip {
    color: yellow;
    width: 339px;
    background-color: black;
    border:1px solid yellow;
    -moz-box-shadow:#555 2px 2px 8px;
    -webkit-box-shadow:#555 2px 2px 8px;
    -o-box-shadow:#555 2px 2px 8px;
    box-shadow:#555 2px 2px 8px;
    opacity:0.9;
    filter:alpha(opacity=90);
    font-size:10px;
    font-family: Courier, 'Courier New', monospace;
    padding:14px;
}