Vimeo.css

.vimeo-image,
.vimeo-image:after,
.vimeo-embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.vimeo {
  position: relative;
  padding-bottom: 56.25%;
  background: #e2e2e2;
}
.vimeo iframe {
  border: 0;
}
.vimeo-image {
  background-position: center center;
  background-size: 100% auto;
}
.vimeo-image:after {
  z-index: 1;
  display: block;
  content: '';
  background: rgba(0,0,0,0.3);
}
.vimeo-play-button,
.vimeo-loading {
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
}
.vimeo-play-button {
  z-index: 2;
  position: absolute;
  padding: 0;
  width: 70px;
  border: 0;
  background: none;
}
.vimeo-play-button:focus {
  outline: none;
}
.vimeo-play-button svg {
  fill: #fff;
  -webkit-filter: drop-shadow(0 1px 1px rgba(0,0,0,0.8));
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.8));
}
.vimeo-loading {
  z-index: 4;
  position: absolute;
  width: 32px;
  height: 32px;
}
.vimeo-loading svg {
  fill: #000;
  transform-origin: 50% 50%;
  -webkit-animation: spinner 0.8s infinite linear;
  animation: spinner 0.8s infinite linear;
}
.vimeo-embed iframe {
  width: 100%;
  height: 100%;
}
@-moz-keyframes spinner {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
@-webkit-keyframes spinner {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
@-o-keyframes spinner {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
@keyframes spinner {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}