.balloonstyle
{position:absolute;
top: -500px;
left: 0;
padding: 4px;
visibility: hidden;
border:1px solid #444444; 
text-align:left;
font:normal 11.2px arial,Verdana;
background-color:#ffffff;
line-height: 12px;
z-index: 100;

width: 250px;
/*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;
}