.balloonstyle{
position:absolute;
top: -500px;
left: 0;
padding: 10px;
visibility: hidden;
font: normal 12px Arial, Helvetica, Verdana, sans-serif;
color: #FFFFFF;
line-height: 18px;
z-index: 100;
background-color: #467FA6;
width: 400px;
/*Remove below line to remove shadow. Below line should always appear last within this CSS*/
filter: progid:DXImageTransform.Microsoft.Shadow(color=gray,direction=135,Strength=5);
}

#arrowhead{
z-index: 99;
position: absolute;
top: -500px;
left: 0;
visibility: hidden;
}