.tooltip
{
  position: relative;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  outline: none;
}

.tooltip span
{
  visibility: hidden;
  position: absolute; 
  top: 30px;
  right: -120px;
  z-index: 999;
  width: auto;
  margin-left: -127px;
  padding: 10px;
  border: 1px solid #ccc;
  opacity: 1;
  background-color: white;                     
  -moz-border-radius: 4px;
  border-radius: 4px;  
  -moz-box-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.5) inset;
  -webkit-box-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.5) inset;
  box-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.5) inset;  
  text-shadow: 0 1px 0 rgba(255,255,255,.4); 
}

.tooltip:hover
{
  border: 0; /* IE6 fix */
}

.tooltip:hover span
{
  visibility: visible;
}

.tooltip span:before,
.tooltip span:after
{
  content: "";
  position: absolute;
  z-index: 1000;
  bottom: -7px;
  left: 50%;
  margin-left: -8px;  

}

.tooltip span:before
{
  border-top-color: #ccc;
  bottom: -8px;
}