<div class="cube">
  <div>코딩공책</div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</div>
body {
  background-color: #999;
  height: 100vh;
  perspective: 1000px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cube {
  position: relative;
  width: 100px; height: 100px;
  transform-style: preserve-3d;
  transform: rotatex(-20deg) rotatey(-140deg) translatez(0);
  animation: rotate 8000ms linear infinite;
}
.cube div {
  display:flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0; left: 0;
  width: 100px; height: 100px;
  opacity: 0.75;
  color: #fff;
}
.cube div:nth-child(1){
  background: #ffcc80;
  transform: rotatex(90deg) translatey(-100px);
  transform-origin: center top;
  animation: top 4000ms ease-in-out 8000ms infinite;
}
.cube div:nth-child(2){
  background: #ffb74d;  
  transform-origin: center bottom;
  transform: rotatex(-90deg) translatey(100px);
  animation: bottom 4000ms ease-in-out 8000ms infinite;
}
.cube div:nth-child(3){
  background: #ffa726;
  transform-origin: left center;
  transform: rotateY(-90deg) translateX(-100px);
  animation: left 4000ms ease-in-out 8000ms infinite;
}
.cube div:nth-child(4){
  background: #ff9800;
  transform-origin: right center;
  transform: rotateY(90deg) translateX(100px);
  animation: right 4000ms ease-in-out 8000ms infinite;
}
.cube div:nth-child(5){
  background: #fb8c00;
  transform-origin: center center;
  transform: rotateX(0deg);
  animation: front 4000ms ease-in-out 8000ms infinite;
}
.cube div:nth-child(6){
  background: #f57c00;
  transform-origin: center center;
  transform: rotateY(180deg) translatez(100px);
  animation: back 4000ms ease-in-out 8000ms infinite;
}

@keyframes rotate {
  0% {transform: rotatex(0) rotatey(0) rotatez(0) translatez(0) }
  100% {transform: rotatex(360deg) rotatey(360deg) rotatez(360deg) translatez(0)}
}

@keyframes top {
  0%   {transform: rotatex(90deg) translatey(-100px) translatez(0);}
  50%  {transform: rotatex(90deg) translatey(-100px) translatez(100px);}
  100% {transform: rotatex(90deg) translatey(-100px) translatez(0);}
}

@keyframes bottom {
  0%   {transform: rotatex(-90deg) translatey(100px) translatez(0);}
  50%  {transform: rotatex(-90deg) translatey(100px) translatez(100px);}
  100% {transform: rotatex(-90deg) translatey(100px) translatez(0);}
}

@keyframes left {
  0%   {transform: rotateY(-90deg) translateX(-100px) scaleY(1);}
  50%  {transform: rotateY(-90deg) translateX(-100px) scaleY(3);}
  100% {transform: rotateY(-90deg) translateX(-100px) scaleY(1);}
}

@keyframes right {
  0%   {transform: rotateY(90deg) translateX(100px) scaleY(1);}
  50%  {transform: rotateY(90deg) translateX(100px) scaleY(3);}
  100% {transform: rotateY(90deg) translateX(100px) scaleY(1);}
}

@keyframes front {
  0%   {transform: rotateX(0deg) scaleY(1);}
  50%  {transform: rotateX(0deg) scaleY(3);}
  100% {transform: rotateX(0deg) scaleY(1);}
}

@keyframes back {
  0%   {transform: rotateY(180deg) translatez(100px) scaleY(1);}
  50%  {transform: rotateY(180deg) translatez(100px) scaleY(3);}
  100% {transform: rotateY(180deg) translatez(100px) scaleY(1);}
}

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