.tip
{
  display: none;
  color: #ffffff;
  font-size: 11px;
  background: #191919;
  padding:5px;
  position:absolute;
  z-index:1000;
  opacity: 0.8;
  font-weight: normal;
  border-radius: 2px;
}

#tooltip
{
  text-align: center;
  color: #fff;
  background: #111;
  position: absolute;
  z-index: 100;
  padding: 15px;
}

#tooltip:after /* triangle decoration */
{
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 10px solid #111;
  content: '';
  position: absolute;
  left: 50%;
  bottom: -10px;
  margin-left: -10px;
}

#tooltip.top:after
{
  border-top-color: transparent;
  border-bottom: 10px solid #111;
  top: -20px;
  bottom: auto;
}

#tooltip.left:after
{
  left: 10px;
  margin: 0;
}

#tooltip.right:after
{
  right: 10px;
  left: auto;
  margin: 0;
}