.box {
    position: relative;
    width: 300px;
    height: 300px;
  }
  .box-contents {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    box-shadow: 0 0 50px rgba(0, 0, 0, .3);
    transition: .5s ease;
  }
  .hover-point {
    position: absolute;
    z-index: 2;
    width: calc(100% / 3);
    height: calc(100% / 3);
  }
  .hover-point:nth-child(1) {
    top: 0;
    left: 0;
  }
  .hover-point:nth-child(2) {
    top: 0;
    left: calc(100% / 3);
  }
  .hover-point:nth-child(3) {
    top: 0;
    right: 0;
  }
  .hover-point:nth-child(4) {
    top: calc(100% / 3);
    left: 0;
  }
  .hover-point:nth-child(5) {
    top: calc(100% / 3);
    right: 0;
  }
  .hover-point:nth-child(6) {
    bottom: 0;
    left: 0;
  }
  .hover-point:nth-child(7) {
    bottom: 0;
    left: calc(100% / 3);
  }
  .hover-point:nth-child(8) {
    bottom: 0;
    right: 0;
  }
  .hover-point:nth-child(1):hover ~ .box-contents {
    box-shadow: 15px 15px 50px rgba(0, 0, 0, .3);
    transform-origin: right top;
    transform: perspective(1000px) rotateX(10deg) rotateY(-10deg) rotateZ(2deg);
  }
  .hover-point:nth-child(2):hover ~ .box-contents {
    box-shadow: 0 15px 50px rgba(0, 0, 0, .3);
    transform-origin: center top;
    transform: perspective(1000px) rotateX(10deg);
  }
  .hover-point:nth-child(3):hover ~ .box-contents {
    box-shadow: -15px 15px 50px rgba(0, 0, 0, .3);
    transform-origin: left top;
    transform: perspective(1000px) rotateX(10deg) rotateY(10deg) rotateZ(-2deg);
  }
  .hover-point:nth-child(4):hover ~ .box-contents {
    box-shadow: 15px 5px 50px rgba(0, 0, 0, .3);
    transform-origin: left center;
    transform: perspective(1000px) rotateY(-10deg);
  }
  .hover-point:nth-child(5):hover ~ .box-contents {
    box-shadow: -15px 5px 50px rgba(0, 0, 0, .3);
    transform-origin: right center;
    transform: perspective(1000px) rotateY(10deg);
  }
  .hover-point:nth-child(6):hover ~ .box-contents {
    box-shadow: 15px -15px 50px rgba(0, 0, 0, .3);
    transform-origin: right bottom;
    transform: perspective(1000px) rotateX(-10deg) rotateY(-10deg) rotateZ(-2deg);
  }
  .hover-point:nth-child(7):hover ~ .box-contents {
    box-shadow: 0 -15px 50px rgba(0, 0, 0, .3);
    transform-origin: center bottom;
    transform: perspective(1000px) rotateX(-10deg);
  }
  .hover-point:nth-child(8):hover ~ .box-contents {
    box-shadow: -15px -15px 50px rgba(0, 0, 0, .3);
    transform-origin: left bottom;
    transform: perspective(1000px) rotateX(-10deg) rotateY(10deg) rotateZ(2deg);
  }
  
  
  /* demo style */

  .demo {
    padding: 2em;
  }
  input[type="checkbox"]:checked ~ .box .hover-point {
    counter-increment: point;
  }
  input[type="checkbox"]:checked ~ .box .hover-point::before {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    content: counter(point);
    color: #fff;
    font-size: 1.5rem;
  }
  input[type="checkbox"]:checked ~ .box .hover-point:nth-child(1) {
    background: rgba(46, 204, 113, .5);
  }
  input[type="checkbox"]:checked ~ .box .hover-point:nth-child(2) {
    background: rgba(52, 152, 219, .5);
  }
  input[type="checkbox"]:checked ~ .box .hover-point:nth-child(3) {
    background: rgba(155, 89, 182, .5);
  }
  input[type="checkbox"]:checked ~ .box .hover-point:nth-child(4) {
    background: rgba(241, 196, 15, .5);
  }
  input[type="checkbox"]:checked ~ .box .hover-point:nth-child(5) {
    background: rgba(230, 126, 34, .5);
  }
  input[type="checkbox"]:checked ~ .box .hover-point:nth-child(6) {
    background: rgba(231, 76, 60, .5);
  }
  input[type="checkbox"]:checked ~ .box .hover-point:nth-child(7) {
    background: rgba(26, 188, 156, .5);
  }
  input[type="checkbox"]:checked ~ .box .hover-point:nth-child(8) {
    background: rgba(149, 165, 166, .5);
  }
  .box {
    margin-top: 2em;
  }