.tooltip
{
  width:                      200px; 
  color:                      #000;
  font-family:                "Trebuchet MS";
  font-size:                  10px;
  text-decoration:            none;
  text-align:                 center;
  z-index:                    9999;
  position:                   absolute;
}

.tooltip span.top
{
  padding:                    30px 8px 0;
  background:                 url("../img/bt.gif") no-repeat top;
}

.tooltip b.bottom
{
  padding:                    3px 8px 15px;
  color:                      #548912;
  background:                 url("../img/bt.gif") no-repeat bottom;
}