#dhtmltooltip{
font-family: Arial, Helvetica, Sans-Serif; 
font-size: 9pt; 
font-weight: normal; 
line-height: 18px; 
color: #000000; 
position: absolute;
width: 250px;
border: 1px solid #333333;
padding: 5px;
background-color: #F0F0D7;
visibility: hidden;
z-index: 100;
}