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HTML

              
                <div class="canvas">
  
  <div class="floor cube"><div></div></div>
  
  <div class="wall">
    <div class="cube"><div></div></div>
    <div class="cube"><div></div></div>
    <div class="cube"><div></div></div>
    <div class="cube"><div></div></div>
    <div class="cube"><div></div></div>
    <div class="cube"><div></div></div>
    <div class="cube"><div></div>
      <span class="poster-2">YOU<br/>CANNOT<br/>STOP ME!<br/><br/>MWAHAHA!</span>
      <span class="no-posters">NO<br><br><br><br><br>POSTERS</span>
      <span class="poster-1">NO<br><br><br><br><br>POSTERS</span>
      
      <span class="ice-cream">Ice Cream</span>
      <span class="poster">Ice Cream</span>
    </div>
    <div class="paint"></div>
    <div class="paint"></div>
    <div class="clock">
      <div></div>
    </div>
  </div>
  
  <div class="cube step"><div></div></div>
  
  <div class="door">
    <div class="cube door-board">
      <div></div>
      <span class="cube handle"><div></div></span>
      <span class="cube neck"><div></div></span>
    </div>
    <div class="cube frame-top"><div></div></div>
    <div class="cube frame-side"><div></div></div>
    <div class="cube frame-side"><div></div></div>
  </div>
  
  <div class="window">
    <div class="cube frame-top"><div></div></div>
    <div class="cube frame-top"><div></div></div>
    <div class="cube frame-side"><div></div></div>
    <div class="cube frame-side"><div></div></div>
  </div>
  
  <div class="shade">
    <div class="bar"></div>
    <div class="bar"></div>
  </div>
  
  <div class="table">
    <div class="shadow"></div>
    <div class="base"></div>
    <div class="board-depth"></div>
    <div class="board"></div>
    <div class="board"></div>
    <div class="board"></div>
    <div class="pole cube"><div></div></div>
  </div>
  
  <div class="chair">
    <div class="shadow"></div>
    <div class="seat cube"><div></div></div>
    <div class="leg leg-1 cube"><div></div></div>
    <div class="leg leg-2 cube"><div></div></div>
    <div class="leg leg-3 cube"><div></div></div>
    <div class="leg leg-4 cube"><div></div></div>
    <div class="back cube"><div></div></div>
    <div class="back cube"><div></div></div>
  </div>
  
  <div class="counter">
    <div class="desk cube"><div></div></div>
    <div class="display-top cube"><div></div></div>
    <div class="counter-top cube"><div></div></div>
    <div class="display"></div>
    <div class="display-glass-top cube"><div></div></div>
  </div>
</div>

<a id="youtube" href="https://www.youtube.com/watch?v=7Ggk7N5a7-Q" target="_blank">
  <span>See how this demo was coded</span>
</a>
              
            
!

CSS

              
                body {
  margin: 0;
  height: 100vh;
  background: linear-gradient(#9cf, #69c);
  perspective: 1000px;
}

@keyframes rotateDrawing {
  0% {
    transform: translate(-50%, -50%) translateZ(-20vmin) rotateY(0deg);
  }
  100% {
    transform: translate(-50%, -50%) translateZ(-20vmin) rotateY(-360deg);
  }
}

.canvas {
  animation: rotateDrawing 15s linear infinite;
  width: 70vmin;
  height: 75vmin;
  abackground: #f002;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) translate3d(0vmin, 0, -40vmin) rotate3d(0, 1, 0, 100deg);
  transform-style: preserve-3d;
}

.canvas:active {
  animation-play-state: paused;
}

.cube {
  --h: 0deg;
  --s: 50%;
  --l: 50%;
  --t: 0;
  background: hsl(var(--h), var(--s), var(--l));
  position: absolute;
  transform: translateZ(calc(var(--t) * -1));
  transform-style: preserve-3d;
}

.cube::before,
.cube::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: var(--d);
  height: 100%;
  background: hsl(var(--h), var(--s), calc(var(--l) * 0.8));
  transform: rotateY(-90deg);
  transform-origin: 0 50%;
}

.cube::after {
  left: auto;
  right: 0;
  transform-origin: 100% 50%;
  transform: rotateY(90deg);
}

.cube > div {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: hsl(var(--h), var(--s), var(--l));
  transform: translate3d(0, 0, var(--d));
  transform-style: preserve-3d;
}

.cube > div::before,
.cube > div::after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  background: hsl(var(--h), var(--s), calc(var(--l) * 1.15));
  width: 100%;
  height: var(--d);
  transform: rotateX(-90deg);
  transform-origin: 50% 0;
}

.cube > div::after {
  top: auto;
  bottom: 0;
  transform: rotateX(90deg);
  transform-origin: 50% 100%;
  background: hsl(var(--h), var(--s), calc(var(--l) * 0.6));
}

/* drawing */
.canvas div {
  position: absolute;
  transform-style: preserve-3d;
}

.step {
  --s: 10%;
  --l: 80%;
  --d: 15vmin;
  --t: 2vmin;
  width: 29vmin;
  height: 4vmin;
  bottom: 0;
  right: 3vmin;
}

.step > div::before {
  background:
    linear-gradient(hsl(var(--h), var(--s), calc(var(--l) * 1.15)) calc(99% - 2vmin), #444 0, #000 99%, hsl(var(--h), var(--s), calc(var(--l) * 1.15)) 0)
}

.door {
  width: 25vmin;
  height: 50vmin;
  bottom: 4vmin;
  right: 5vmin;
}

.door .cube {
  --h: 20deg;
  --s: 40%;
  --l: 40%;
  --d: 4vmin;
  --t: 2vmin;
}

.frame-top {
  width: 100%;
  height: 2vmin;
}

.frame-side {
  width: 2vmin;
  height: 100%;
}

.frame-side + .frame-side {
  right: 0;
}

.door .door-board {
  --d: 2vmin;
  --t: 2vmin;
  top: 2vmin;
  left: 2vmin;
  width: calc(100% - 4vmin);
  height: calc(100% - 2vmin);
  transform: translateZ(calc(-0.5 * var(--t))) rotateY(60deg) ;
  transform-origin: 0% 50%;
  background: 
    linear-gradient(#777 0 0) 50% 34% / 20% 1%,
    repeating-linear-gradient(#ddd 0 7%, #0000 0 15%) 50% 38% / 30% 6%,
    linear-gradient(#fff 0 0) 50% 36% / 40% 10%,
    
    linear-gradient(#744f3b 2vmin, #0000 0 calc(100% - 2vmin), #744f3b 0),
    linear-gradient(to right, #744f3b 2vmin, #0000 0 calc(100% - 2vmin), #744f3b 0),
    linear-gradient(#cdf3 0 0)
    ;
  background-repeat: no-repeat;
}

.door .door-board > div {
  background: 
    linear-gradient(#744f3b 2vmin, #0000 0 calc(100% - 2vmin), #744f3b 0),
    linear-gradient(to right, #744f3b 2vmin, #0000 0 calc(100% - 2vmin), #744f3b 0),
    linear-gradient(#cdf3 0 0)
    ;
}

.door .door-board::after {
  background:
    #643f2b radial-gradient(gray 70%, #0000 0) no-repeat 50% 53% / 1vmin 1vmin;
}

.door-board span.cube {
  --h: 0;
  --s: 0%;
  --l: 80%;
  --d: 0.5vmin;
  --t: -3vmin;
  display: block;
  position: absolute;
}

.door-board span.cube.handle {
  top: 50%;
  right: 0.25vmin;
  width: 25%;
  height: 5%;
}

.door-board span.cube.handle > div {
  background:
    #eee radial-gradient(gray 70%, #0000 0) no-repeat 80% 53% / 1vmin 1vmin;
}

.door-board span.cube.neck {
  --d: 1.5vmin;
  --t: -1.75vmin;
  top: 50%;
  right: 0.25vmin;
  width: 5%;
  height: 5%;
}

.window {
  width: 30vmin;
  height: 45vmin;
  top: 20%;
  left: 3vmin;
  transform-style: preserve-3d;
  background:
    linear-gradient(45deg, #0000 70%, #fff2 0 75%, #0000 0 78%, #fff2 0 80%, #0000 0)
    ;
  background-color: #cdf3;
  
}

.window div {
  --d: 3vmin;
  --t: 1.5vmin;
  transform-style: preserve-3d;
}

.frame-top + .frame-top {
  bottom: 0;
}

.wall {
  width: 100%;
  height: 100%;
}

.wall .cube {
  --s: 10%;
  --l: 80%;
  --d: 4vmin;
  --t: 2vmin;
}

.wall .cube:nth-child(1) { width: 5%; height: 100%; }
.wall .cube:nth-child(2) { left: 33vmin; width: 7vmin; height: 100%; }
.wall .cube:nth-child(3) { width: 50%; right: 0; bottom: 54vmin; height: 20%; }
.wall .cube:nth-child(4) { width: 100%; height: 20%; }
.wall .cube:nth-child(5) { width: 50%; bottom: 0; height: 20%; }
.wall .cube:nth-child(6) { right: 0; width: 5vmin; height: 100%; }
.wall .cube:nth-child(7) { 
  --d: 82vmin;
  --t: 80vmin;
  left: -2.5vmin;
  width: 4vmin; 
  height: 100%; 
}

.wall .cube:nth-child(7) .poster-1 {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 3.35vmin;
  font-family: Arial, sans-serif;
  box-sizing: border-box;
  width: 20vmin;
  height: 30vmin;
  left: 0;
  background: radial-gradient(circle, #0000 25%, #d00 0 30%, #0000 0),
    linear-gradient(-45deg, #0000 45%, #d00 0 55%, #0000 0) no-repeat 50% 50% / 7vmin 7vmin;
  background-color: #bbb;
  position: absolute;
  transform: rotateY(90deg) translate3d(-19.5vmin, 20vmin, -10.1vmin) rotateZ(6deg) scaleX(-1);
  clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%, 0% 77%, 5% 75%, 0% 74%);
}


.wall .cube:nth-child(7) .poster-2 {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 2.5vmin;
  font-family: Georgia, sans-serif;
  box-sizing: border-box;
  width: 18vmin;
  height: 20vmin;
  left: 0;
  background-color: #d8d8c5;
  position: absolute;
  transform: rotateY(90deg) translate3d(-64vmin, 40vmin, -9.1vmin) rotateZ(-4deg) scaleX(-1);
}

.wall .cube:nth-child(7) .no-posters {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 3.35vmin;
  font-family: Arial, sans-serif;
  box-sizing: border-box;
  width: 20vmin;
  height: 30vmin;
  left: 0;
  background: radial-gradient(circle, #0000 25%, #d00 0 30%, #0000 0),
    linear-gradient(-45deg, #0000 45%, #d00 0 55%, #0000 0) no-repeat 50% 50% / 7vmin 7vmin;
  background-color: #ccc;
  position: absolute;
  transform: rotateY(90deg) translate3d(-40vmin, 20vmin, -10.1vmin) scaleX(-1);
  clip-path: polygon(0% 0%, 33% 0%, 35% 5%, 38% 0%, 100% 0%, 100% 30%, 90% 32%, 97% 35%, 92% 37%, 100% 37.5%, 100% 100%, 5% 100%, 0% 99%);
}

.wall .cube:nth-child(7) .ice-cream {
  --color: #fff;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  text-align: center;
  font-size: 3.35vmin;
  font-family: Georgia, Garamond, serif;
  box-sizing: border-box;
  padding-bottom: 2vmin;
  width: 20vmin;
  height: 30vmin;
  left: 0;
  background: 
    radial-gradient(circle, #333 15%, #0000 0) no-repeat 40% 25% / 20% 20%,
    radial-gradient(circle, #333 15%, #0000 0) no-repeat 60% 25% / 20% 20%,
    
    radial-gradient(farthest-side at 50% 0%, #0000 30%, #333 0 50%, #0000 0) no-repeat 50% 36% / 20% 7%,
    
    radial-gradient(circle at 50% 84%, var(--color) 26%, #0000 0) no-repeat 50% -100% / 70% 70%,
    radial-gradient(circle at 50% 50%, var(--color) 35%, #0000 0) no-repeat 50% 40% / 20% 20%,
    radial-gradient(circle at 50% 50%, var(--color) 30%, #0000 0) no-repeat 63% 38% / 20% 20%,
    radial-gradient(circle at 50% 50%, var(--color) 35%, #0000 0) no-repeat 32% 37% / 20% 20%,
    radial-gradient(circle at 50% 50%, var(--color) 24%, #0000 0) no-repeat 40% 40% / 20% 20%,
    radial-gradient(circle at 50% 50%, var(--color) 35%, #0000 0) no-repeat 70% 37% / 20% 20%,
    

    conic-gradient(at 50% 100%, #eb8 20deg, #0000 0 340deg, #eb8 0) no-repeat 50% 50% / 7vmin 50%;
  background-color: #ddd;
  position: absolute;
  transform: rotateY(90deg) translate3d(-55vmin, 20vmin, -6.01vmin);
}


.wall .cube:nth-child(7) .poster {
  --color: #f69;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  text-align: center;
  font-size: 3.35vmin;
  font-family: Georgia, Garamond, serif;
  box-sizing: border-box;
  padding-bottom: 2vmin;
  width: 20vmin;
  height: 30vmin;
  left: 0;
  background: 
    radial-gradient(circle, #333 15%, #0000 0) no-repeat 40% 25% / 20% 20%,
    radial-gradient(circle, #333 15%, #0000 0) no-repeat 60% 25% / 20% 20%,
    
    radial-gradient(farthest-side at 50% 0%, #333 0 50%, #0000 0) no-repeat 50% 36% / 20% 7%,
    
    radial-gradient(circle at 50% 84%, var(--color) 26%, #0000 0) no-repeat 50% -100% / 70% 70%,
    radial-gradient(circle at 50% 50%, var(--color) 35%, #0000 0) no-repeat 50% 40% / 20% 20%,
    radial-gradient(circle at 50% 50%, var(--color) 30%, #0000 0) no-repeat 63% 38% / 20% 20%,
    radial-gradient(circle at 50% 50%, var(--color) 35%, #0000 0) no-repeat 32% 37% / 20% 20%,
    radial-gradient(circle at 50% 50%, var(--color) 24%, #0000 0) no-repeat 40% 40% / 20% 20%,
    radial-gradient(circle at 50% 50%, var(--color) 35%, #0000 0) no-repeat 70% 37% / 20% 20%,
    
    radial-gradient(circle at 50% 84%, #f69 26%, #0000 0) no-repeat 50% -100% / 70% 70%,
    conic-gradient(at 50% 100%, #eb8 20deg, #0000 0 340deg, #eb8 0) no-repeat 50% 50% / 7vmin 50%;
  background-color: #ddd;
  position: absolute;
  transform: rotateY(90deg) translate3d(-20vmin, 20vmin, -6.01vmin);
}

.wall .paint {
  --color: hsl(var(--h), var(--s), var(--l));
  --color: #d2c8c7;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: translateZ(-2vmin);
  transform: translateZ(-2.1vmin);
  background: red;
  background:
    linear-gradient(to right, #0000 50%, var(--color) 0) 0 0 / 100% 20vmin,
    linear-gradient(to right, var(--color) 4vmin, #0000 0 33vmin, var(--color) 0 40vmin, #0000 0 65vmin, var(--color) 0),
    linear-gradient(var(--color) 20%, #0000 0)
    ;
  background-repeat: no-repeat;
}

.paint + .paint {
  transform: translateZ(2.1vmin);
}

.clock {
  width: 10vmin;
  height: 10vmin;
  transform: translate3d(48vmin, 6vmin, -2.15vmin);
  border-radius: 50%;
  box-shadow: inset 0 0 0 1.25vmin #444;
  
  background-color: white;
  transform-style: preserve-3d;
}

.clock::before,
.clock::after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 50%;
  width: 100%;
  height: 100%;
  box-shadow: inset 0 0 0 1.25vmin #444;
  transform: translateZ(-0.2vmin);
  background:
    linear-gradient(black 0 0) 50% calc(50% - 0.75vmin) / 0.75vmin 3vmin,
    linear-gradient(45deg, #0000 0 45%, black 0 55%, #0000 0) 40% calc(50% - 0.75vmin) / 3vmin 3vmin
  ;
  background-repeat: no-repeat;
}

.clock::after {
  transform: translateZ(-0.4vmin);
}

.clock > div {
  background: #444;
  width:0.5vmin;
  height: 50%;
  right: 2vmin;
  transform: rotateY(90deg) rotateX(45deg);
}

.clock > div::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  transform: rotateX(90deg) translate3d(0vmin, -2vmin, -1vmin) ;
  transform-origin: 50% 100%;
  top: 0;
  left: 0;
  background: #444;
}

.clock > div::after {
  content: "";
  display: block;
  width: 100%;
  height: 70%;
  position: absolute;
  transform: rotateX(-45deg) translateZ(-2vmin);
  top: 100%;
  left: 0;
  background: #444;
}

.floor {
  --d: 80vmin;
  --t: 80vmin;
  --s: 10%;
  --l: 80%;
  width: 100%;
  height: 4vmin;
  bottom: 0;
  left: 0;
}

.floor > div::before {
  background:
    
    linear-gradient(#0000 2vmin, #0000 0),
    repeating-linear-gradient(45deg, #0000 0 6%, #0001 0 6.25%),
    repeating-linear-gradient(-45deg, #0000 0 6%, #0001 0 6.25%),
    linear-gradient(#0000 2vmin, #fca 0)
}

.shade {
  left: -1%;
  width: 100%;
  height: 45%;
  background: red;
  transform: rotateX(55deg);
  transform-origin: 50% 0;
  background: 
    linear-gradient(#0000, #0001),
    repeating-linear-gradient(to right, #d00 0 6.25%, #f8f8f8 0 12.5%);
}

.shade::before {
  content: "";
  display:block;
  position: absolute;
  width: 100%;
  height: 15%;
  top: 100%;
  left: 0;
  transform: rotateX(-55deg);
  transform-origin: 50% 0;
  background:
    radial-gradient(50% 120% at 25% 0, #d00 50%, #0000 0) 0 0 / 12.5% 100%,
    radial-gradient(50% 120% at 75% 0, #f8f8f8 50%, #0000 0) 0 0 / 12.5% 100%
}

.shade::after {
  content: "";
  display:block;
  position: absolute;
  width: 100%;
  height: 3%;
  top: 100%;
  left: 0;
  transform: rotateX(-25deg) translate(0, -50%);
  transform-origin: 50% 0;
  background: 
    linear-gradient(#0003, #0000, #0002),
    repeating-linear-gradient(to right, #d00 0 6.25%, #f8f8f8 0 12.5%);
}

.bar {
  width: 1vmin;
  height: 90%;
  bottom: 0;
  background: #222;
  transform: rotateX(55deg);
  transform-origin: 50% 100%;
}

.bar + .bar {
  right: 0;
}

.bar::before,
.bar::after {
  content: "";
  display: block;
  position: absolute;
  top: -1%;
  left: 0;
  width: 100%;
  height: 100%;
  background: #222;
  transform: rotateY(60deg);
}

.bar::after {
  transform: rotateY(120deg);
}


.table {
  width: 25vmin;
  height: 25vmin;
  abackground: #f003;
  transform: translate3d(40vmin, 30vmin, -50vmin) rotateX(90deg);
  transform-origin: bottom center;
  transform-style: preserve-3d;
}

.table .board,
.table .board::before,
.table .board::after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #eee;
  border-radius: 50%;
  transform-style: preserve-3d;
}

.table .board::before {
  transform: translateZ(-0.15vmin);
  background: #ddd;
}

.table .board::after {
  transform: translateZ(-0.3vmin);
}

.table .board + .board {
  transform: translateZ(-0.45vmin);
  background: #ddd;
}

.table .board + .board  + .board {
  transform: translateZ(-0.9vmin);
}


.table .board-depth {
  width: 1.2vmin;
  height: 100%;
  background: #ddd;
  left: 50%;
  top: 0;
  transform-origin: 0% 50%;
  transform: rotateY(90deg);
}

.table .board-depth::before,
.table .board-depth::after {
  content: "";
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  background: #ddd;
  transform: rotateX(60deg)
}

.table .board-depth::after {
  transform: rotateX(-60deg)
}

.table .pole {
  --h: 0deg;
  --s: 0%;
  --d: 1vmin;
  height: 16vmin;
  width: 1vmin;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: rotateX(-90deg) translate(-50%, 0%);
  transform-origin: top center;
}

.table .shadow {
  width: 100%;
  height: 100%;
  background: #0002;
  border-radius: 50%;
  filter: blur(2vmin);
  transform: translateZ(-16vmin);
}

.table .base {
  width: 50%;
  height: 50%;
  top: 50%;
  left: 50%;
  transform: translate3d(-50%, -50%, -16vmin);
  background: #666;
  border-radius: 50%;
}

.table .base::before, 
.table .base::after {
  content: ""; 
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  background: #777;
  transform: translateZ(0.15vmin);
  border-radius: 50%;
}

.table .base::after {
  background: #575757;
  transform: translateZ(0.3vmin);
}


.chair {
  width: 9vmin;
  height: 9vmin;
  transform: translate3d(55vmin, 62vmin, -69vmin) rotateX(90deg) rotate(50deg);
  transform-origin: bottom center;
  transform-style: preserve-3d;
}

.chair .shadow {
  width: 120%;
  height: 120%;
  top: -10%;
  left: -10%;
  background: #0002;
  filter: blur(2vmin);
}

.chair .leg {
  --h: 30deg;
  --s: 70%;
  --l: 63%;
  --d: 1vmin;
  top: -1vmin;
  width: 1vmin;
  height: 9vmin;
  transform: rotateX(-90deg);
  transform-origin: 50% 100%;
}

.chair .leg-2 {
  right: 0%;
}

.chair .leg-3 {
  right: 0;
  top: auto;
  bottom: 100.75%;
  height: 20vmin;
}

.chair .leg-4 {
  left: 0;
  top: auto;
  bottom: 100.75%;
  height: 20vmin;
}

.chair .seat {
  --d: 1vmin;
  --t: -8vmin;
  width: 100%;
  height: 100%;
}

.chair .back {
  --h: 30deg;
  --s: 70%;
  --l: 63%;
  --d: 0.5vmin;
  bottom: 99%;
  width: 100%;
  height: 1vmin;
  transform: rotateX(-90deg) translateY(-16vmin);
  transform-origin: 50% 100%;
}

.chair .back + .back {
  transform: rotateX(-90deg) translateY(-18.5vmin);
}

.desk {
  --s: 0%;
  --l: 75%;
  --d: 45vmin;
  --t: 50vmin;
  left: -2.5vmin;
  width: 15vmin; 
  height: 13vmin;
  transform: translate3d(20vmin, 59vmin, -48vmin);
  box-shadow: inset 0 4vmin 4vmin -2vmin #0002;
}

.desk::before {
  box-shadow: inset 0 4vmin 4vmin -2vmin #0003;
  background:
    radial-gradient(at 55% 50%, #0003 1vmin, #0000 0),
    radial-gradient(at 40% 50%, #0003 1vmin, #0000 0),
    linear-gradient(to right, #0000 21vmin, #0003 0 22vmin, #0000 0)
    ;
  background-repeat: no-repeat;
  background-color: #999;
}

.counter-top {
  --s: 0%;
  --l: 100%;
  --d: 25vmin;
  --t: 50vmin;
  left: -2.5vmin;
  width: 17vmin; 
  height: 2vmin;
  transform: translate3d(19vmin, 57vmin, -49vmin);
}

.display-top {
  --s: 0%;
  --l: 100%;
  --d: 21vmin;
  --t: 50vmin;
  left: -2.5vmin;
  width: 17vmin; 
  height: 2vmin;
  transform: translate3d(19vmin, 57vmin, -24vmin);
}

.display-top > div::before {
  background: #0000;
}

.display-top > div::after {
  background: 
    linear-gradient(#666 5%, #0000 0 32%, #666 0 37%, #0000 0 64%,  #666 0 69%, #0000 0 95%, #666 0),
    linear-gradient(to right, #666 5%, #0000 0 47.5%, #666 0 52.5%, #0000 0 95%, #666 0),
    radial-gradient(at 100% 0, #0003, #0000),
    radial-gradient(#fff4, #fff0),
    linear-gradient(#ee8 33%, #9d6 0 66%, #963 0) 0 0 / 50% 100%,
    linear-gradient(#faa 33%, #eee 0 66%, #7dd 0) 100% 0 / 50% 100%
    ;
  background-repeat: no-repeat;
}

.display {
  width: 17vmin;
  height: 17vmin;
  transform: translate3d(16.5vmin, 40vmin, -24vmin);
  transform-style: preserve-3d;
  background:
    linear-gradient(to right, #f8f8f8 1vmin, #0000 0),
    linear-gradient(75deg, #cdf6 75%, #ddd 0 78%, #0000 0)
    
    ;
}

.display::before {
  content: "";
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  transform: translateZ(21vmin);
  background:
    linear-gradient(to right, #f8f8f8 1vmin, #0000 0),
    linear-gradient(75deg, #cdf5 75%, #ddd 0 78%, #0000 0)
    ;
}

.display::after {
  content: "";
  display: block;
  position: absolute;
  height: 100%;
  width: 21vmin;
  transform: rotateY(90deg) rotateX(15deg) translate3d(-21vmin, 4.5vmin, 14vmin);
  transform-origin: 0% 50%;
  background: linear-gradient(#ccc 1vmin, #0000 0 calc(100% - 1vmin), #ccc 0),
    linear-gradient(to right, #ccc 1vmin, #0000 0 calc(100% - 1vmin), #ccc 0),
    linear-gradient(#cdf4 0 0)
}

.display-glass-top {
  --s: 0%;
  --l: 100%;
  --d: 21vmin;
  --t: 50vmin;
  left: -2.5vmin;
  width: 12vmin; 
  height: 1vmin;
  transform: translate3d(19vmin, 40vmin, -24vmin);
}

/***/

#youtube {
  z-index: 2;
  display: block;
  width: 100px;
  height: 70px;
  position: absolute;
  top: 20px;
  right: 20px;
  background: red;
  border-radius: 50% / 11%;
  transition: transform 0.5s;
}

#youtube:hover,
#youtube:focus {
  transform: scale(1.1);
}

#youtube::before {
  content: "";
  display: block;
  position: absolute;
  top: 7.5%;
  left: -6%;
  width: 112%;
  height: 85%;
  background: red;
  border-radius: 9% / 50%;
}

#youtube::after {
  content: "";
  display: block;
  position: absolute;
  top: 20px;
  left: 40px;
  width: 45px;
  height: 30px;
  border: 15px solid transparent;
  box-sizing: border-box;
  border-left: 30px solid white;
}

#youtube span {
  font-size: 0;
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

              
            
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JS

              
                
              
            
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999px

Console