present.css

html, body {
    margin: 0;
  }
  
  .above-fold {
    height: 100vh;
    width: 100vw;
    padding: 0;
    margin: 0;
    perspective: 800px;
    perspective-origin: 50% 200px;
    display: flex;
    flex-wrap: wrap;
    position: relative;
  }
  .above-fold .info-text {
    width: 100%;
    display: block;
    text-align: center;
    margin: 0;
    padding: 0;
    color: #555;
    font-family: "Avenir";
    font-weight: 100;
    font-size: 13px;
    height: 25px;
    align-self: flex-end;
  }
  
  .wrap-present {
    width: 100%;
    display: flex;
    align-self: flex-end;
  }
  
  .present-box {
    transform-style: preserve-3d;
    width: 200px;
    height: 200px;
    margin: auto;
    -webkit-animation: rotate 11s alternate linear infinite;
            animation: rotate 11s alternate linear infinite;
    cursor: pointer;
  }
  .present-box:hover {
    -webkit-animation: staticFront 700ms ease forwards;
            animation: staticFront 700ms ease forwards;
  }
  .present-box.open {
    /*&>.side.top{
        opacity: .2;
    }*/
    -webkit-animation: zoomIn 1s ease-in forwards;
            animation: zoomIn 1s ease-in forwards;
    transform: rotateX(-103deg) rotateY(-180deg);
    transition: transform 400ms;
  }
  .present-box.open .present {
    pointer-events: auto;
    visibility: visible;
  }
  .present-box.open .present .img-wrap {
    opacity: 1;
    transition: transform 600ms 800ms, opacity 800ms 200ms;
    transform: translateZ(0px);
  }
  .present-box.open > .side {
    opacity: 0.3;
    transition: opacity 500ms 600ms;
  }
  .present-box.open > .side.back {
    opacity: 0.7;
    transform: translateZ(-101px) rotateY(180deg);
  }
  .present-box.open > .side.front {
    transition: transform 800ms 0s, opacity 500ms 600ms;
    transform: translateZ(100px) rotateY(190deg) translateX(0px);
    transform-origin: 0% 0%;
    opacity: 0.3;
    width: 0;
  }
  
  .present-box .present {
    position:bottom;
    width: 200px;
    height: 200px;
    z-index: 50;
    transform: rotateY(-180deg) rotateX(180deg) translateZ(-100px);
    display: flex;
    perspective: 600px;
    pointer-events: none;
    visibility: hidden;
  }
  .present-box .present > .img-wrap {
    width: 200px;
    align-self: center;
    transition: transform 400ms;
    opacity: 0;
    transform: translateZ(-80px);
  }
  .present-box .present > .img-wrap a {
    transition: transform 300ms;
    position: relative;
    display: block;
    transform: scale(0.94);
  }
  .present-box .present > .img-wrap a:hover {
    transform: scale(1);
  }
  .present-box .present > .img-wrap img {
    max-width: 100%;
    height: auto;
  }
  
  .present-box > .side {
    width: 200px;
    height: 200px;
    position: absolute;
    display: block;
    background: repeating-linear-gradient(45deg, #cc2000, #cc2000 20px, #ffffff 20px, #ffffff 40px);
    top: 0;
    left: 0;
    transition: transform 400ms;
  }
  .present-box > .side.back {
    transform: translateZ(-100px) rotateY(180deg);
  }
  .present-box > .side.right {
    transform: rotateY(-270deg) translateX(100px);
    transform-origin: top right;
  }
  .present-box > .side.left {
    transform: rotateY(270deg) translateX(-100px);
    transform-origin: center left;
  }
  .present-box > .side.top {
    transform: rotateX(-90deg) translateY(-100px);
    transform-origin: top center;
    transform-style: preserve-3d;
    perspective: 100px;
    text-align: center;
  }
  .present-box > .side.top .to {
    display: inline-block;
    font-family: cursive;
    position: relative;
    padding: 10px 10px 30px 10px;
    border: 5px dotted #ff6666;
    border-width: 2px;
    background: #fff;
    margin: auto;
    transform: translateZ(-2px) translateY(50px);
  }
  .present-box > .side.top .to:after {
    content: "HAPPY BIRTHDAY!!!!!";
    display: inline-block;
    transform: rotateY(180deg);
    color: #990000;
  }
  .present-box > .side.top .to .name {
    display: block;
    position: absolute;
    transform: translateY(20px) rotateY(180deg) translateX(10px);
    text-align: center;
    width: 100%;
    font-size: 1.1rem;
    color: green;
  }
  .present-box > .side.bottom {
    transform: rotateX(90deg) translateY(100px);
    transform-origin: bottom center;
  }
  .present-box > .side.front {
    transform: translateZ(100px);
  }
  
  @-webkit-keyframes rotate {
    100% {
      transform: rotateY(-360deg) rotateX(180deg);
    }
  }
  
  @keyframes rotate {
    100% {
      transform: rotateY(-360deg) rotateX(180deg);
    }
  }
  @-webkit-keyframes staticFront {
    100% {
      transform: rotateX(-100deg) rotateY(-180deg);
    }
  }
  @keyframes staticFront {
    100% {
      transform: rotateX(-100deg) rotateY(-180deg);
    }
  }
  @-webkit-keyframes zoomIn {
    50% {
      transform: rotateX(-143deg) rotateY(-180deg) translateZ(-15px);
    }
    100% {
      transform: rotateX(-167deg) rotateY(-180deg) translateZ(-15px) scale(1.2);
    }
  }
  @keyframes zoomIn {
    50% {
      transform: rotateX(-143deg) rotateY(-180deg) translateZ(-15px);
    }
    100% {
      transform: rotateX(-167deg) rotateY(-180deg) translateZ(-15px) scale(1.2);
    }
  }