.lazy-youtube {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  background-size: cover;
  background-position: center;
  cursor: pointer;
  overflow: hidden;
}
.lazy-youtube .lly-play-button {
  position: absolute;
  top: 50%; left: 50%;
  width: 68px; height: 48px;
  transform: translate(-50%, -50%);
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 68 48"><path d="M66.52 7.15a7.77 7.77 0 00-5.47-5.48C55.79 0 34 0 34 0s-21.79 0-27.05 1.67a7.77 7.77 0 00-5.47 5.48A81.38 81.38 0 000 24a81.38 81.38 0 001.48 16.85 7.77 7.77 0 005.47 5.48C12.21 48 34 48 34 48s21.79 0 27.05-1.67a7.77 7.77 0 005.47-5.48A81.38 81.38 0 0068 24a81.38 81.38 0 00-1.48-16.85z" fill="%23fff"/><path d="M45 24L27 14v20l18-10z" fill="%23000"/></svg>') no-repeat center center;
  background-size: contain;
}