section.block-video {
  opacity: 0;
  -webkit-animation: 1.5s ease 1s normal forwards 1 showandsliderighttoleft;
          animation: 1.5s ease 1s normal forwards 1 showandsliderighttoleft;
}

section.block-video > .content {
  width: 85vw;
}

section.block-video a {
  display: block;
  position: relative;
  max-width: 100vw;
  cursor: pointer;
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  outline: none;
  border: none;
  height: 100vh;
  width: 100%;
  background: url() center center/cover no-repeat;
}

section.block-video a:after {
  background: url(../img/youtube_icon.svg) center center no-repeat;
  -webkit-transform: translate3d(-50%, -50%, 0px);
          transform: translate3d(-50%, -50%, 0px);
  position: absolute;
  height: 110px;
  width: 110px;
  content: "";
  left: 50%;
  top: 50%;
}

section.block-video a:hover:after {
  background: url(../img/youtube_icon_01-01.svg) center center no-repeat;
}

section.block-video img {
  height: 100vh;
  width: auto;
}

@media only screen and (max-device-width: 768px) {
  section.block-video {
    opacity: 1;
    -webkit-animation: none;
            animation: none;
  }
  section.block-video > .content {
    width: 100%;
  }
  section.block-video a {
    display: block;
    position: relative;
    max-width: 100vw;
    cursor: pointer;
    -webkit-appearance: none;
       -moz-appearance: none;
            appearance: none;
    outline: none;
    border: none;
    height: 100vh;
    width: 100%;
    background: url() center center/cover no-repeat;
  }
  section.block-video a:after {
    background: url(../img/youtube_icon.svg) center center no-repeat;
    -webkit-transform: translate3d(-50%, -50%, 0px);
            transform: translate3d(-50%, -50%, 0px);
    position: absolute;
    height: 110px;
    width: 110px;
    content: "";
    left: 50%;
    top: 50%;
  }
  section.block-video a:hover:after {
    background: url(../img/youtube_icon_01-01.svg) center center no-repeat;
  }
  section.block-video img {
    height: 100vh;
    width: auto;
  }
}