gistfile1.css

#main #content #product-grid .product a.info {
  opacity: 0.0;
  padding: 5px;
  text-align: center;
  -webkit-transition: all .1s linear;
  -moz-transition: all .1s linear;
  -ms-transition: all .1s linear;
  -o-transition: all .1s linear;
  transition: all .1s linear;
}

#main #content #product-grid .product:hover a.info {
  opacity: 1.0;
}