.playbutton {
  position: absolute;
  content: "";
  display: block;
  height: 100px;
  width: 100px;
  top: 50%;
  left: 50%;
  transform: translate3d(-50%, -50%, 0);
  background-image: url("../images/svg/playbutton.svg");
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
  -webkit-transition: opacity 0.25s cubic-bezier(0.39, 0.5, 0.15, 1);
  -moz-transition: opacity 0.25s cubic-bezier(0.39, 0.5, 0.15, 1);
  -ms-transition: opacity 0.25s cubic-bezier(0.39, 0.5, 0.15, 1);
  -o-transition: opacity 0.25s cubic-bezier(0.39, 0.5, 0.15, 1);
  transition: opacity 0.25s cubic-bezier(0.39, 0.5, 0.15, 1);
}
.playbutton.playing {
  opacity: 0;
}
.playbutton:hover {
  cursor: pointer;
}