#dhtmltooltip{
font: 10px Tahoma, Arial, Helvetica, sans-serif;
position: absolute;
width: 75px;
height: 25px;

border: 0px solid black;
padding: 0px;
margin-left:0px;
margin-top:0px;
text-align:middle;

background-image: url(obr/bublina8.gif);
filter:alpha(opacity=80);-moz-opacity:0.80;opacity:0.80;

visibility: hidden;
z-index: 100;
}