#CrossFade {
    background: #fff;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
    height: 100vh;
    overflow: hidden;
    position: relative;
  }
  #CrossFade img {
    position: absolute;
    min-width: 100%;
    min-height: 100%;
    height: auto;
    background: #000;
    -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
    opacity: 0;
    -webkit-transform: scale(1.4) rotate(12deg);
            transform: scale(1.4) rotate(12deg);
    -webkit-animation: CrossFade 24s infinite;
            animation: CrossFade 24s infinite;
  }
  #CrossFade img:nth-child(3) {
    -webkit-animation-delay: 6s;
            animation-delay: 6s;
  }
  #CrossFade img:nth-child(2) {
    -webkit-animation-delay: 12s;
            animation-delay: 12s;
  }
  #CrossFade img:nth-child(1) {
    -webkit-animation-delay: 18s;
            animation-delay: 18s;
  }

  @-webkit-keyframes CrossFade {
    25% {
      opacity: 1;
      -webkit-transform: scale(1) rotate(0);
              transform: scale(1) rotate(0);
    }
    40% {
      opacity: 0;
    }
  }
  @keyframes CrossFade {
    25% {
      opacity: 1;
      -webkit-transform: scale(1) rotate(0);
              transform: scale(1) rotate(0);
    }
    40% {
      opacity: 0;
    }
  }