[data-video]:after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translateY(-50%) translateX(-50%);
      -ms-transform: translateY(-50%) translateX(-50%);
          transform: translateY(-50%) translateX(-50%);
  width: 60px;
  height: 60px;
  background-image: url(../img/play-button.svg);
  background-repeat: no-repeat;
  background-position: center;
  -webkit-background-size: cover;
  background-size: cover;
  -webkit-border-radius: 50%;
          border-radius: 50%;
  -webkit-transition: all .3s;
  -o-transition: all .3s;
  transition: all .3s;
}

[data-video]:hover:after {
  -webkit-transform: translateY(-50%) translateX(-50%) scale(1.2);
      -ms-transform: translateY(-50%) translateX(-50%) scale(1.2);
          transform: translateY(-50%) translateX(-50%) scale(1.2);
}