.balloonstyle{
position:absolute;
top: -300px;
left: 0;
padding: 3px;
visibility: hidden;
border:1px solid #5D5D5D;
font:normal 10px Tahoma;
line-height: 18px;
z-index: 100;
background-color: #F0F8FA;
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: -300px;
left: 0;
visibility: hidden;
}