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HTML

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CSS

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CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

About CSS Base

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JavaScript

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Babel includes JSX processing.

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HTML 

              
                %main
	.totem
		- 4.times do
			%div
				- 3.times do
					%div
!

CSS 

              
                $p: 12px;

*, *:before, *:after { box-sizing: border-box; }
* { user-select: none; -webkit-tap-highlight-color: rgba(0,0,0,0); transform-style: preserve-3d; }
*:focus { outline: none; }
body, html { height: 100vh; max-height: 100%; }
body {
	background: #f8f5da;
	background: linear-gradient(to bottom, #f8f5da 0%,#FFF4E2 25%,#A3C4D0 75%,#3e4f53 100%);
	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f8f5da', endColorstr='#3e4f53',GradientType=0 );
	overflow: hidden;
}

main {
	transform: translateZ(100px);
	perspective-origin: 100% 100% none;
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	align-content: center;
	justify-content: center;
	transform-origin: center center;
	@media only screen and (max-height: 470px) {
		transform: scale(0.75);
	}
}

.totem {
	transform: translateZ(40px) translateY(100vh);
	animation: enter 2000ms cubic-bezier(.075,.820,.165,1) 500ms forwards;
	will-change: transform;
	> div {
		transform-origin: $p*4 $p*4 -#{$p*4};
		position: relative;
		width: $p*8;
		height: $p*8;
		> div {
			position: absolute;
			top: 0;
			left: 0;
			width: 100%;
			height: 100%;
			&:before, &:after {
				content: "";
				display: block;
				position: absolute;
			}
			// top
			&:nth-child(1) {
				background: #FDA13E;
				transform-origin: center top;
				transform: rotateX(90deg) translateY(#{-($p*8)});
				border: $p/2 solid #FDAA4E;
			}
			// left
			&:nth-child(2) {
				background: #FED240;
				transform-origin: left center;
				transform: rotateY(-90deg) translateX(#{-($p*8)});
			}
			// right
			&:nth-child(3) {
				background: #FEF440;
				transform-origin: center center;
				transform: rotateX(0);
			}
		}
		// one
		&:nth-child(1) {
			transform: rotateX(-15deg) rotateY(30deg) translateY(-45px) translateX(-30px) translateZ(60px);
			animation: one 3000ms linear infinite forwards;
			will-change: transform;
			> div {
				// top
				&:nth-child(1) {
					border: 0;
					background: #FFFD68;
					&:before, &:after {
						top: 0;
					}
					&:before {
						left: $p;
						width: calc(100% - #{$p*2});
						height: calc(100% - #{$p});
						background: #E4FFFF;
					}
					&:after {
						left: $p*2;
						width: calc(100% - #{$p*4});
						height: calc(100% - #{$p*2});
						background: #E4FFFF;
						border: $p solid #FFFD68;
						border-top: 0;
					}
				}
				// left
				&:nth-child(2) {
					&:before, &:after {
						border-radius: 100%;
					}
					&:before {
						top: $p;
						left: $p;
						width: calc(100% - #{$p*2});
						height: calc(100% - #{$p*2});
						background: #FFFFF9;
					}
					&:after {
						top: $p*2;
						left: $p*2;
						width: calc(100% - #{$p*4});
						height: calc(100% - #{$p*4});
						background: #9F355A;
						animation: eye 8000ms linear infinite forwards;
						will-change: transform;
					}
				}
				// right
				&:nth-child(3) {
					&:before {
						top: $p;
						left: $p;
						width: calc(100% - #{$p*2});
						height: calc(100% - #{$p});
						background: #D7ECE4;
					}
					&:after {
						top: $p*2;
						left: $p*2;
						width: calc(100% - #{$p*4});
						height: calc(100% - #{$p*2});
						background: #FEF440;
					}
				}
			}
		}
		// two
		&:nth-child(2) {
			transform: rotateX(-15deg) rotateY(30deg) translateY(-30px) translateX(-20px) translateZ(40px);
			> div {
				// left
				&:nth-child(2) {
					background: linear-gradient(to bottom, #FED240, #FED240 50%, #C2C9CC 50%, #C2C9CC), linear-gradient(to right, #FED240, #FED240 50%, #C2C9CC 50%, #C2C9CC);
					background-size: $p*7 $p*2, $p*2 $p*8;
					background-position: top right, bottom left;
					background-repeat: no-repeat;
					&:before, &:after {
						bottom: 0;
						right: 0;
					}
					&:before {
						width: calc(100% - #{$p*2});
						height: calc(100% - #{$p*2});
						background: linear-gradient(to bottom, #FED240, #FED240 50%, #C2C9CC 50%, #C2C9CC), linear-gradient(to right, #FED240, #FED240 50%, #C2C9CC 50%, #C2C9CC);
						background-size: $p*5 $p*2, $p*2 $p*6;
						background-position: top right, bottom left;
						background-repeat: no-repeat;
					}
					&:after {
						width: calc(100% - #{$p*4});
						height: calc(100% - #{$p*4});
						background: linear-gradient(to bottom, #FED240, #FED240 50%, #C2C9CC 50%, #C2C9CC), linear-gradient(to right, #FED240, #FED240 50%, #C2C9CC 50%, #C2C9CC), #FED240;
						background-size: $p*3 $p*2, $p*2 $p*8;
						background-position: top right, bottom left;
						background-repeat: no-repeat;
					}
				}
				// right
				&:nth-child(3) {
					background: linear-gradient(to bottom, #FEF440, #FEF440 50%, #D1EADE 50%, #D1EADE), linear-gradient(to bottom, #FEF440, #FEF440 50%, #D1EADE 50%, #D1EADE), #FEF440;
					background-size: 100% $p*2;
					background-repeat: no-repeat;
					background-position: 0 0, 0 $p*2;
					&:before, &:after {
						bottom: $p*2;
						width: calc(50% - #{$p/2});
						height: $p;
						background: #D1EADE;
					}
					&:before {
						left: 0;
					}
					&:after {
						right: 0;
					}
				}
			}
		}
		// three and four
		&:nth-child(3), &:nth-child(4) {
			> div {
				// left
				&:nth-child(2) {
					cursor: grab;
					&:before, &:after {
						border-radius: 100%;
					}
					&:before {
						top: $p*2;
						left: $p*2;
						width: calc(100% - #{$p*4});
						height: calc(100% - #{$p*4});
						background: #FDAE56;
					}
					&:after {
						top: $p*2;
						left: $p*2;
						width: calc(100% - #{$p*4});
						height: calc(100% - #{$p*4});
						background: #EF9355;
						border: $p solid #FEEE57;
						transform: translateZ($p/2);
					}
				}
			}
		}
		// three
		&:nth-child(3) {
			transform: rotateX(-15deg) rotateY(30deg) translateY(-15px) translateX(-10px) translateZ(20px);
			> div {
				// right
				&:nth-child(3) {
					&:before {
						top: 0;
						left: $p;
						width: calc(100% - #{$p*2});
						height: 100%;
						background: linear-gradient(to top, #FEF440, #FEF440), linear-gradient(to top, #FEF440, #FEF440), #CAE7DE;
						background-size: $p $p;
						background-position: 0 $p*6, $p*5 $p*6;
						background-repeat: no-repeat;
					}
					&:after {
						top: $p;
						left: $p*2;
						width: calc(100% - #{$p*4});
						height: calc(100% - #{$p*2});
						background: #CAE7DE;
						border: $p solid #FEF440;
						border-bottom: 0;
					}
				}
			}
		}
		// four
		&:nth-child(4) {
			transform: rotateX(-15deg) rotateY(30deg) translateZ(0);
			> div {
				// right
				&:nth-child(3) {
					cursor: grab;
					&:before, &:after {
						border-radius: 100%;
					}
					&:before {
						top: $p*2;
						left: $p*2;
						width: calc(100% - #{$p*4});
						height: calc(100% - #{$p*4});
						background: #FDAA55;
					}
					&:after {
						top: $p*2;
						left: $p*2;
						width: calc(100% - #{$p*4});
						height: calc(100% - #{$p*4});
						background: #FDAA55;
						border: $p solid #FFFD60;
						transform: translateZ($p/3*2);
					}
				}
			}
		}
	}
	&:hover {
		> div {
			&:nth-child(3), &:nth-child(4) {
				> div {
					&:nth-child(2) {
						&:before {
							background: lighten(#FDAE56, 2%);
						}
						&:after {
							background: lighten(#EF9355, 2%);
							border-color: lighten(#FEEE57, 10%);
						}
					}
				}
			}
			&:nth-child(4) {
				> div {
					&:nth-child(3) {
						&:before {
							background: lighten(#FDAA55, 2%);
						}
						&:after {
							background: lighten(#FDAA55, 2%);
							border-color: lighten(#FFFD60, 10%);
						}
					}
				}
			}
		}
	}
}

@keyframes enter {
	0% {
		transform: translateZ(40px) translateY(100vh);
	}
	100% {
		transform: translateZ(40px);
	}
}

@keyframes one {
	0% {
		transform: rotateX(-15deg) rotateY(30deg) translateY(-45px) translateX(-30px) translateZ(60px);
		animation-timing-function: ease-out;
	}
	5% {
		transform: rotateX(-15deg) rotateY(30deg) translateY(-65px) translateX(-30px) translateZ(60px);
		animation-timing-function: ease-in;
	}
	10%, 12% {
		transform: rotateX(-15deg) rotateY(30deg) translateY(-45px) translateX(-30px) translateZ(60px);
		animation-timing-function: ease-out;
	}
	15% {
		transform: rotateX(-15deg) rotateY(30deg) translateY(-65px) translateX(-30px) translateZ(60px);
		animation-timing-function: ease-in;
	}
	20% {
		transform: rotateX(-15deg) rotateY(30deg) translateY(-45px) translateX(-30px) translateZ(60px);
		animation-timing-function: ease-out;
	}
}

@keyframes eye {
	// top left
	// transform: translate3d(-8px,-8px,0);
	// top right
	// transform: translate3d(8px,-8px,0);
	// bottom right
	// transform: translate3d(8px,8px,0);
	// bottom left
	// transform: translate3d(-8px,8px,0);
	0%, 23.5% {
		transform: translate3d(0,0,0);
	}
	25%, 48.5% {
		transform: translate3d(#{$p/3*2},#{$p/3*2},0);
	}
	50%, 73.5% {
		transform: translate3d(#{-($p/3*2)},#{$p/2},0);
	}
	75%, 98.5% {
		transform: translate3d(#{$p/2},#{-($p/3*2)},0);
	}
	100% {
		transform: translate3d(0,0,0);
	}
}
!

JS 

              
                // ⟁ \\
!
999px

Console