IdreXyz/static/css/artists.css

#artists {
  width: 700px;
  margin: auto;
  text-align: center;
}

#artists .artist {
  width: 120px;
  position: relative;
  margin: 5px;
  display: inline-block;
}

#artists .artist a {
  color: #929292;
  text-decoration: none;
  transition: .5s;
  -moz-transition: .5s;
  -ms-transition: .5s;
  -o-transition: .5s;
  -webkit-transition: .5s;
}

#artists .artist a:hover {
  color: #c9c9c9;
}

#artists .artist img {
  height: 120px;
  width: 120px;
  border: none;
  border-radius: 5px;
}

#artists .artist-genre {
  height: 120px;
  width: 120px;
  position:absolute;
  top: 0px;
  left: 0px;

  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 5px;
  color: white;
  opacity: 0;
  transition: all 0.7s ease;
  -webkit-transition: all 0.7s ease;
}

#artists .artist-genre:hover {
  opacity: 1;
}