/* .input-text.qty {
  position: relative;
} */

.quantity {
  position: relative;
}

.tooltip-description {
  position: absolute;
  padding: 10px;
  font-size: 10px;
  line-height: 1.6em;
  color: #fff;
  border-radius: 5px;
  background: #666;
  width: 120px;
  text-align: center;
}

.quantity:hover .tooltip-description{
  display: inline-block;
  top: -70px;
  right: -20px;
}