body {
  background: #306989;
}

.wall {
  position: relative;
  -webkit-perspective: 700px;
          perspective: 700px;
  height: 300px;
  width: 300px;
  margin: 5vh auto;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-flow: wrap;
      -ms-flex-flow: wrap;
          flex-flow: wrap;
  visibility: hidden;
}
.wall, .wall * {
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
}
.wall .overlay {
  visibility: visible;
  position: absolute;
  display: block;
  top: 0;
  left: 0;
  width: 300px;
  height: 300px;
  -webkit-transform: translatez(30px);
      -ms-transform: translatez(30px);
          transform: translatez(30px);
  background-size: 300px 300px;
  -webkit-transition: opacity 0.1s;
          transition: opacity 0.1s;
}

.nav {
  position: absolute;
  top: 50%;
  left: -84.85281px;
  right: -84.85281px;
  height: 2px;
}
.nav .button {
  position: absolute;
  z-index: 99;
  top: 50%;
  height: 60px;
  width: 60px;
  margin-top: -30px;
  color: #888;
  font-family: monospace;
  text-align: center;
  cursor: pointer;
  visibility: visible;
}
.nav .button svg {
  position: relative;
  width: auto;
  margin: auto;
  height: 100%;
}
.nav .button path {
  fill: currentcolor;
}
.nav .button:hover {
  color: #000;
}
.nav .button.prev {
  left: 0;
}
.nav .button.next {
  right: 0;
}

.cube {
  -webkit-flex: 0 0 60px;
      -ms-flex: 0 0 60px;
          flex: 0 0 60px;
  height: 60px;
  position: relative;
  pointer-events: none;
  -webkit-animation-duration: 1s;
          animation-duration: 1s;
  -webkit-animation-timing-function: linear;
          animation-timing-function: linear;
  -webkit-animation-fill-mode: forwards;
          animation-fill-mode: forwards;
}
.cube.sliding {
  -webkit-animation-play-state: running;
          animation-play-state: running;
}
.cube.sliding.up {
  -webkit-animation-name: switch-up;
          animation-name: switch-up;
}
.cube.sliding.down {
  -webkit-animation-name: switch-down;
          animation-name: switch-down;
}
.cube.sliding.left {
  -webkit-animation-name: switch-left;
          animation-name: switch-left;
}
.cube.sliding.right {
  -webkit-animation-name: switch-right;
          animation-name: switch-right;
}
@-webkit-keyframes switch-up {
  0% , 10% {
    -webkit-transform: scale(1) rotatex(0);
            transform: scale(1) rotatex(0);
  }
  40% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatex(0);
            transform: scale(0.70711) translatez(60px) rotatex(0);
  }
  70% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatex(90deg);
            transform: scale(0.70711) translatez(60px) rotatex(90deg);
  }
  100% {
    -webkit-transform: scale(1) rotatex(90deg);
            transform: scale(1) rotatex(90deg);
  }
}
@keyframes switch-up {
  0% , 10% {
    -webkit-transform: scale(1) rotatex(0);
            transform: scale(1) rotatex(0);
  }
  40% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatex(0);
            transform: scale(0.70711) translatez(60px) rotatex(0);
  }
  70% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatex(90deg);
            transform: scale(0.70711) translatez(60px) rotatex(90deg);
  }
  100% {
    -webkit-transform: scale(1) rotatex(90deg);
            transform: scale(1) rotatex(90deg);
  }
}
@-webkit-keyframes switch-right {
  0% , 10% {
    -webkit-transform: scale(1) rotatey(0);
            transform: scale(1) rotatey(0);
  }
  40% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatey(0);
            transform: scale(0.70711) translatez(60px) rotatey(0);
  }
  70% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatey(-90deg);
            transform: scale(0.70711) translatez(60px) rotatey(-90deg);
  }
  100% {
    -webkit-transform: scale(1) rotatey(-90deg);
            transform: scale(1) rotatey(-90deg);
  }
}
@keyframes switch-right {
  0% , 10% {
    -webkit-transform: scale(1) rotatey(0);
            transform: scale(1) rotatey(0);
  }
  40% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatey(0);
            transform: scale(0.70711) translatez(60px) rotatey(0);
  }
  70% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatey(-90deg);
            transform: scale(0.70711) translatez(60px) rotatey(-90deg);
  }
  100% {
    -webkit-transform: scale(1) rotatey(-90deg);
            transform: scale(1) rotatey(-90deg);
  }
}
@-webkit-keyframes switch-left {
  0% , 10% {
    -webkit-transform: scale(1) rotatey(0);
            transform: scale(1) rotatey(0);
  }
  40% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatey(0);
            transform: scale(0.70711) translatez(60px) rotatey(0);
  }
  70% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatey(90deg);
            transform: scale(0.70711) translatez(60px) rotatey(90deg);
  }
  100% {
    -webkit-transform: scale(1) rotatey(90deg);
            transform: scale(1) rotatey(90deg);
  }
}
@keyframes switch-left {
  0% , 10% {
    -webkit-transform: scale(1) rotatey(0);
            transform: scale(1) rotatey(0);
  }
  40% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatey(0);
            transform: scale(0.70711) translatez(60px) rotatey(0);
  }
  70% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatey(90deg);
            transform: scale(0.70711) translatez(60px) rotatey(90deg);
  }
  100% {
    -webkit-transform: scale(1) rotatey(90deg);
            transform: scale(1) rotatey(90deg);
  }
}
@-webkit-keyframes switch-down {
  0% , 10% {
    -webkit-transform: scale(1) rotatex(0);
            transform: scale(1) rotatex(0);
  }
  40% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatex(0);
            transform: scale(0.70711) translatez(60px) rotatex(0);
  }
  70% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatex(-90deg);
            transform: scale(0.70711) translatez(60px) rotatex(-90deg);
  }
  100% {
    -webkit-transform: scale(1) rotatex(-90deg);
            transform: scale(1) rotatex(-90deg);
  }
}
@keyframes switch-down {
  0% , 10% {
    -webkit-transform: scale(1) rotatex(0);
            transform: scale(1) rotatex(0);
  }
  40% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatex(0);
            transform: scale(0.70711) translatez(60px) rotatex(0);
  }
  70% {
    -webkit-transform: scale(0.70711) translatez(60px) rotatex(-90deg);
            transform: scale(0.70711) translatez(60px) rotatex(-90deg);
  }
  100% {
    -webkit-transform: scale(1) rotatex(-90deg);
            transform: scale(1) rotatex(-90deg);
  }
}
.cube:nth-child(1) {
  -webkit-animation-delay: 0.04s;
          animation-delay: 0.04s;
}
.cube:nth-child(1) .side {
  background-position: 0px 0px;
}
.cube:nth-child(2) {
  -webkit-animation-delay: 0.08s;
          animation-delay: 0.08s;
}
.cube:nth-child(2) .side {
  background-position: -60px 0px;
}
.cube:nth-child(3) {
  -webkit-animation-delay: 0.12s;
          animation-delay: 0.12s;
}
.cube:nth-child(3) .side {
  background-position: -120px 0px;
}
.cube:nth-child(4) {
  -webkit-animation-delay: 0.16s;
          animation-delay: 0.16s;
}
.cube:nth-child(4) .side {
  background-position: -180px 0px;
}
.cube:nth-child(5) {
  -webkit-animation-delay: 0.2s;
          animation-delay: 0.2s;
}
.cube:nth-child(5) .side {
  background-position: 60px 0px;
}
.cube:nth-child(6) {
  -webkit-animation-delay: 0.24s;
          animation-delay: 0.24s;
}
.cube:nth-child(6) .side {
  background-position: 0px -60px;
}
.cube:nth-child(7) {
  -webkit-animation-delay: 0.28s;
          animation-delay: 0.28s;
}
.cube:nth-child(7) .side {
  background-position: -60px -60px;
}
.cube:nth-child(8) {
  -webkit-animation-delay: 0.32s;
          animation-delay: 0.32s;
}
.cube:nth-child(8) .side {
  background-position: -120px -60px;
}
.cube:nth-child(9) {
  -webkit-animation-delay: 0.36s;
          animation-delay: 0.36s;
}
.cube:nth-child(9) .side {
  background-position: -180px -60px;
}
.cube:nth-child(10) {
  -webkit-animation-delay: 0.4s;
          animation-delay: 0.4s;
}
.cube:nth-child(10) .side {
  background-position: 60px -60px;
}
.cube:nth-child(11) {
  -webkit-animation-delay: 0.44s;
          animation-delay: 0.44s;
}
.cube:nth-child(11) .side {
  background-position: 0px -120px;
}
.cube:nth-child(12) {
  -webkit-animation-delay: 0.48s;
          animation-delay: 0.48s;
}
.cube:nth-child(12) .side {
  background-position: -60px -120px;
}
.cube:nth-child(13) {
  -webkit-animation-delay: 0.52s;
          animation-delay: 0.52s;
}
.cube:nth-child(13) .side {
  background-position: -120px -120px;
}
.cube:nth-child(14) {
  -webkit-animation-delay: 0.56s;
          animation-delay: 0.56s;
}
.cube:nth-child(14) .side {
  background-position: -180px -120px;
}
.cube:nth-child(15) {
  -webkit-animation-delay: 0.6s;
          animation-delay: 0.6s;
}
.cube:nth-child(15) .side {
  background-position: 60px -120px;
}
.cube:nth-child(16) {
  -webkit-animation-delay: 0.64s;
          animation-delay: 0.64s;
}
.cube:nth-child(16) .side {
  background-position: 0px -180px;
}
.cube:nth-child(17) {
  -webkit-animation-delay: 0.68s;
          animation-delay: 0.68s;
}
.cube:nth-child(17) .side {
  background-position: -60px -180px;
}
.cube:nth-child(18) {
  -webkit-animation-delay: 0.72s;
          animation-delay: 0.72s;
}
.cube:nth-child(18) .side {
  background-position: -120px -180px;
}
.cube:nth-child(19) {
  -webkit-animation-delay: 0.76s;
          animation-delay: 0.76s;
}
.cube:nth-child(19) .side {
  background-position: -180px -180px;
}
.cube:nth-child(20) {
  -webkit-animation-delay: 0.8s;
          animation-delay: 0.8s;
}
.cube:nth-child(20) .side {
  background-position: 60px -180px;
}
.cube:nth-child(21) {
  -webkit-animation-delay: 0.84s;
          animation-delay: 0.84s;
}
.cube:nth-child(21) .side {
  background-position: 0px -240px;
}
.cube:nth-child(22) {
  -webkit-animation-delay: 0.88s;
          animation-delay: 0.88s;
}
.cube:nth-child(22) .side {
  background-position: -60px -240px;
}
.cube:nth-child(23) {
  -webkit-animation-delay: 0.92s;
          animation-delay: 0.92s;
}
.cube:nth-child(23) .side {
  background-position: -120px -240px;
}
.cube:nth-child(24) {
  -webkit-animation-delay: 0.96s;
          animation-delay: 0.96s;
}
.cube:nth-child(24) .side {
  background-position: -180px -240px;
}
.cube:nth-child(25) {
  -webkit-animation-delay: 1s;
          animation-delay: 1s;
}
.cube:nth-child(25) .side {
  background-position: 60px -240px;
}
.cube .side {
  visibility: visible;
  position: absolute;
  top: 0;
  left: 0;
  width: 60px;
  height: 60px;
  background-size: 300px 300px;
  background-color: #000;
}
.cube .side:nth-child(1) {
  -webkit-transform: rotate(0deg) rotateY(0deg) translateZ(30px);
          transform: rotate(0deg) rotateY(0deg) translateZ(30px);
}
.cube .side:nth-child(2) {
  -webkit-transform: rotate(0deg) rotateY(90deg) translateZ(30px);
          transform: rotate(0deg) rotateY(90deg) translateZ(30px);
}
.cube .side:nth-child(3) {
  -webkit-transform: rotate(180deg) rotateY(180deg) translateZ(30px);
          transform: rotate(180deg) rotateY(180deg) translateZ(30px);
}
.cube .side:nth-child(4) {
  -webkit-transform: rotate(0deg) rotateY(270deg) translateZ(30px);
          transform: rotate(0deg) rotateY(270deg) translateZ(30px);
}
.cube .side:nth-child(5) {
  -webkit-transform: rotate(0deg) rotateX(90deg) translateZ(30px);
          transform: rotate(0deg) rotateX(90deg) translateZ(30px);
}
.cube .side:nth-child(6) {
  -webkit-transform: rotate(0deg) rotateX(-90deg) translateZ(30px);
          transform: rotate(0deg) rotateX(-90deg) translateZ(30px);
}