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HTML

              
                .base
	.hole
	- for (let p = 0; p < 5; ++p) {
		.plate
	- }
              
            
!

CSS

              
                // Animation
$dur: 2s;
$timing: ease-out;

// Colors
$blackHue: 0;
$blackSat: 0%;
$black1: hsl($blackHue,$blackSat,15%);
$black2: hsl($blackHue,$blackSat,20%);
$black3: hsl($blackHue,$blackSat,30%);
$black4: hsl($blackHue,$blackSat,50%);
$black4T: hsla($blackHue,$blackSat,50%,0);

$goldHue: 38;
$goldSat: 61%;
$gold1: hsl($goldHue,$goldSat,20%);
$gold2: hsl($goldHue,$goldSat,30%);
$gold3: hsl($goldHue,$goldSat,45%);
$gold4: hsl($goldHue,$goldSat,50%);
$gold5: hsl($goldHue,$goldSat,60%);
$gold5T: hsla($goldHue,$goldSat,60%,0);
$gold6: hsl($goldHue,$goldSat,80%);
$gold6T: hsla($goldHue,$goldSat,80%,0);

* {
	border: 0;
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
body, .base {
	display: flex;
}
body {
	background: hsl(0,0%,85%);
	font-size: calc(16px + (20 - 16) * (100vw - 320px)/(1024 - 320));
	height: 100vh;
	overflow-x: hidden;
}
.base:before, .base:after, .hole:before, .hole:after, .plate, .plate:before, .plate:after {
	position: absolute;
};
.base, .hole, .plate {
	margin: auto;
	&, &:before, &:after {
		border-radius: 25%;
	}
	&:before, &:after {
		content: "";
		display: block;
	}
}
.base:before, .hole {
	background:
		radial-gradient(100% 100% at bottom left,$black4,$black4T 50%),
		radial-gradient(100% 100% at bottom right,$black4,$black4T 50%),
		linear-gradient($black2,$black3);
}
.base:after, .hole:before {
	background: {
		image: url(https://i.ibb.co/2YmnnBT/plastic-grain-texture.jpg);
		color: $black1;
		blend-mode: luminosity;
	};
}
.base, .plate {
	&:before, &:after {
		width: 100%;
		height: 100%;
	}
	&:before {
		transform: translate(-5%,-5%);
	}
	&:after {
		transform: translate(-6%,-6%);
	}
}
.base {
	background: $black1;
	position: relative;
	width: 15em;
	height: 15em;
	transform: rotateX(30deg) rotateZ(45deg);
	z-index: 0;
	&:after {
		background-size: 100% 100%;
		box-shadow: 0.1em 0.1em 0 $black1 inset;
	}
}
.hole {
	box-shadow:
		0 0 0.1em 0.1em hsla(0,0%,0%,0.5) inset,
		0.1em 0.1em 0.2em 0.2em hsla(0,0%,0%,0.5);
	width: 70%;
	height: 70%;
	transform: translate(-0.9em,-0.9em);
	z-index: 1;
	&:before, &:after {
		top: 2%;
		left: 2%;
		width: 96%;
		height: 96%;
	}
	&:before {
		background-size: 143% 143%;
		box-shadow:
			0.3em 0.3em 0.1em 0.1em hsla(0,0%,0%,0.7) inset,
			-0.1em -0.1em 0.1em 0.1em hsla(0,0%,0%,0.7) inset;
	}
	&:after {
		animation: blurOutIn $dur $timing infinite;
		background: hsl(0,0%,0%);
	}
}
.plate {
	background-image:
		radial-gradient(8% 10% at 18% 102%,$gold6 33%, $gold6T),
		radial-gradient(16% 8% at 106% 10%,$gold6 50%, $gold6T),
		linear-gradient(45deg,$gold2 8%,$gold3 16% 43%,$gold6 46% 50%,$gold3 53% 56%,$gold2 60% 62%,$gold4 65% 87%,$gold2 92%);
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	width: 65%;
	height: 65%;
	transform: translate(-0.9em,-0.9em);
	z-index: 2;
	&:before {
		background:
			radial-gradient(100% 100% at bottom left,$gold6,$gold6T 50%),
			radial-gradient(100% 100% at bottom right,$gold6,$gold6T 50%),
			linear-gradient($gold3,$gold4);
	}
	&:after {
		background: $gold5;
		box-shadow:
			0 0.1em 0 $gold2 inset,
			0 0 0 0.1em $gold6 inset;
	}
	&:nth-child(2) {
		animation: jump1 $dur $timing infinite;
		background-image:
			linear-gradient(45deg,$gold1 8%,$gold2 12% 30%,$gold3 50%,$gold2 70% 88%,$gold1 92%);
	}
	&:nth-child(3), &:nth-child(4) {
		width: 50%;
		height: 50%;
	}
	&:nth-child(3), &:nth-child(5) {
		filter: blur(1px);
		opacity: 0.7;
		&:after {
			background: $gold1;
			box-shadow: 1.5em 1.5em 0.3em $gold2 inset;
		}
	}
	&:nth-child(3) {
		animation: jump2 $dur $timing infinite;
		transform: translate(-1.4em,-1.4em);
		z-index: 3;
	}
	&:nth-child(4) {
		animation: jump3 $dur $timing infinite;
		transform: translate(-1.9em,-1.9em);
		z-index: 4;
	}
	&:nth-child(5), &:nth-child(6) {
		width: 35%;
		height: 35%;
	}
	&:nth-child(5) {
		animation: jump4 $dur $timing infinite;
		transform: translate(-2.4em,-2.4em);
		z-index: 5;
	}
	&:nth-child(6) {
		animation: jump5 $dur $timing infinite;
		transform: translate(-2.8em,-2.8em);
		z-index: 6;
	}
}

/* Animations */
@keyframes blurOutIn {
	from, 40%, to {
		filter: blur(0px);
		opacity: 1;
	}
	10%, 30% {
		filter: blur(3px);
		opacity: 0.5;
	}
}
@keyframes jump1 {
	from, 40%, to {
		transform: translate(-0.9em,-0.9em);
	}
	10%, 30% {
		transform: translate(-1.9em,-1.9em);
	}
}
@keyframes jump2 {
	from, 50%, to {
		filter: blur(1px);
		transform: translate(-1.4em,-1.4em);
	}
	10% {
		filter: blur(1px);
		transform: translate(-2.4em,-2.4em);
	}
	20%, 30% {
		filter: blur(4px);
		transform: translate(-1.9em,-1.9em);
	}
	40% {
		filter: blur(7px);
		transform: translate(-0.4em,-0.4em);
	}
}
@keyframes jump3 {
	from, 50%, to {
		transform: translate(-1.9em,-1.9em);
	}
	10% {
		transform: translate(-2.9em,-2.9em);
	}
	20%, 40% {
		transform: translate(-3.9em,-3.9em);
	}
}
@keyframes jump4 {
	from, 60%, to {
		filter: blur(1px);
		transform: translate(-2.4em,-2.4em);
	}
	10% {
		transform: translate(-3.4em,-3.4em);
	}
	20% {
		filter: blur(1px);
		transform: translate(-4.4em,-4.4em);
	}
	30%, 40% {
		filter: blur(4px);
		transform: translate(-3.9em,-3.9em);
	}
	50% {
		filter: blur(7px);
		transform: translate(-1.4em,-1.4em);
	}
}
@keyframes jump5 {
	from, 60%, to {
		transform: translate(-2.8em,-2.8em);
	}
	10% {
		transform: translate(-3.8em,-3.8em);
	}
	20% {
		transform: translate(-4.8em,-4.8em);
	}
	30%, 50% {
		transform: translate(-5.8em,-5.8em);
	}
}
              
            
!

JS

              
                
              
            
!
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