#dhtmltooltip{
position: absolute;
min-width: 100px;
height: auto;
color: #555555;
text-align: center;
border: 1px solid #BBBBBB;
border-radius : 5px; 
-moz-border-radius : 5px; 
-webkit-border-radius : 5px;
padding: 2px;
background-color: #E2E2E2;
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);