.thumb-video {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: center;
      justify-content: center;
}
.thumb-video__wrapper {
  position: relative;
}
.thumb-video__hover {
  cursor: pointer;
  position: absolute;
  left: 20px;
  top: 20px;
  height: calc(100% - 40px);
  width: calc(100% - 40px);
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg width='84' height='84' viewBox='0 0 84 84' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cpath d='M42 82c22.091 0 40-17.909 40-40S64.091 2 42 2 2 19.909 2 42s17.909 40 40 40z' stroke='%23FFF' stroke-width='3'/%3E%3Cpath fill='%23FFF' d='M55.025 41.63L35.765 53.48V29.778z'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: auto 80px;
  background-position: center;
  background-color: transparent;
  transition: background-color 0.4s linear;
}
.thumb-video__hover:hover {
  background-color: rgba(0, 0, 0, 0.5);
}
.thumb-video img {
  display: block;
  padding: 20px;
  background: #fff;
  height: 225px;
}
.thumb-video__duration {
  opacity: 0;
  transition: all 0.4s linear;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 600;
  position: absolute;
  right: 18px;
  bottom: 17px;
  z-index: 2;
}
@media (min-width: 769px) {
  .thumb-video__hover:hover .thumb-video__duration {
    opacity: 1;
  }
}
@media (max-width: 768px) {
  .thumb-video {
    display: block;
  }
  .thumb-video__hover {
    height: 100%;
    width: 100%;
    left: 0;
    top: 0;
  }
  .thumb-video__hover:hover {
    background-color: transparent;
  }
  .thumb-video img {
    height: auto;
    width: 100%;
    padding: 0;
  }
}