.tooltip {
  text-decoration:none;
  position:relative;
}
 
.tooltip span {
  display:none;
}
 
.tooltip span img {
  float:left;
  margin:0px 8px 8px 0;
}
 
.tooltip:hover span {
  display:block;
  position:absolute;
  top:0;
  left:0;
  z-index:1000;
  margin-top:12px;
  margin-left:32px;
  overflow:hidden;
}