#dhtmltooltip{
position: absolute;
width: 150px;
border: 1px solid #979797;
padding: 10px;
background-color: #f3f3f3;
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);*/
}