.balloonstyle {
  position: absolute;
  top: -500px;
  left: 0;
  margin: 0;
  padding: 5px;
  visibility: hidden;
  z-index: 100;
  /*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 {
  margin: 0 0 0 15px;
  z-index: 99;
  position: absolute;
  top: -500px;
  left: 0;
  visibility: hidden;
}