.balloonstyle{
position:absolute;
top: -100px;
left: 0;
padding: 0px;
visibility: hidden;
border:1px solid black;
font-family: Verdana, Arial; 
font-size: 8pt;
color: #000000;
line-height: 18px;
z-index: 100;
width: 500px;
/*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;
}