#portfolio2 .portfolio-item .portfolio-link .portfolio-hover:hover {
  opacity: 1;
}

#portfolio2 .portfolio-item .portfolio-link .portfolio-hover {
  position: absolute;
  width: 100%;
  height: 100%;
  transition: all ease .5s;
  opacity: 0;
  background: rgba(254,209,54,.9);
}

#portfolio2 * {
  z-index: 2;
}

#portfolio2 .portfolio-item .portfolio-link {
  position: relative;
  display: block;
  max-width: 400px;
  margin: 0 auto;
  cursor: pointer;
}