三重维恩点图

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css

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html

css

/* I wrote this in Sass, but there are functions that CodePen’s Sass version doesn’t currently support, so I’m using the output CSS here instead. */
* {
	border: 0;
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

:root {
	--bg: hsl(223deg, 10%, 90%);
	--trans-dur: 0.3s;
	font-size: calc(16px + 4 * (100vw - 320px) / 960);
}

body {
	background-color: var(--bg);
	font: 1em/1.5 sans-serif;
	height: 100vh;
	display: grid;
	place-items: center;
	transition: background-color var(--trans-dur);
}

.tvdd {
	overflow: hidden;
	position: relative;
	width: 16em;
	height: 16em;
}
.tvdd__ring {
	top: 0;
	left: 18.75%;
	width: 62.5%;
	height: 62.5%;
	transform-origin: 50% 80%;
}
.tvdd__ring, .tvdd__ring-dot {
	position: absolute;
}
.tvdd__ring-dots {
	animation: pivot 1s linear infinite;
	width: 100%;
	height: 100%;
}
.tvdd__ring-dot {
	animation: pulse 1s ease-in-out infinite;
	background-color: hsl(193deg, 90%, 55%);
	border-radius: 50%;
	margin: -5% 0 0 -5%;
	width: 10%;
	height: 10%;
}
.tvdd__ring-dot:nth-child(1) {
	top: 38.3531429704%;
	left: 6.533337817%;
}
.tvdd__ring-dot:nth-child(2) {
	animation-delay: -0.0833333333s;
	top: 61.6468570296%;
	left: 6.533337817%;
}
.tvdd__ring-dot:nth-child(3) {
	animation-delay: -0.1666666667s;
	top: 81.8198051534%;
	left: 18.1801948466%;
}
.tvdd__ring-dot:nth-child(4) {
	animation-delay: -0.25s;
	top: 93.466662183%;
	left: 38.3531429704%;
}
.tvdd__ring-dot:nth-child(5) {
	animation-delay: -0.3333333333s;
	top: 93.466662183%;
	left: 61.6468570296%;
}
.tvdd__ring-dot:nth-child(6) {
	animation-delay: -0.4166666667s;
	top: 81.8198051534%;
	left: 81.8198051534%;
}
.tvdd__ring-dot:nth-child(7) {
	animation-delay: -0.5s;
	top: 61.6468570296%;
	left: 93.466662183%;
}
.tvdd__ring-dot:nth-child(8) {
	animation-delay: -0.5833333333s;
	top: 38.3531429704%;
	left: 93.466662183%;
}
.tvdd__ring-dot:nth-child(9) {
	animation-delay: -0.6666666667s;
	top: 18.1801948466%;
	left: 81.8198051534%;
}
.tvdd__ring-dot:nth-child(10) {
	animation-delay: -0.75s;
	top: 6.533337817%;
	left: 61.6468570296%;
}
.tvdd__ring-dot:nth-child(11) {
	animation-delay: -0.8333333333s;
	top: 6.533337817%;
	left: 38.3531429704%;
}
.tvdd__ring-dot:nth-child(12) {
	animation-delay: -0.9166666667s;
	top: 18.1801948466%;
	left: 18.1801948466%;
}
.tvdd__ring:nth-child(2) {
	transform: rotate(120deg);
}
.tvdd__ring:nth-child(2) .tvdd__ring-dot {
	background-color: hsl(223deg, 90%, 55%);
}
.tvdd__ring:nth-child(3) {
	transform: rotate(240deg);
}
.tvdd__ring:nth-child(3) .tvdd__ring-dot {
	background-color: hsl(253deg, 90%, 55%);
}

/* Dark theme */
@media (prefers-color-scheme: dark) {
	:root {
		--bg: hsl(223deg, 10%, 10%);
	}
}
/* Animations */
@keyframes pivot {
	from {
		transform: rotate(0);
	}
	to {
		transform: rotate(30deg);
	}
}
@keyframes pulse {
	from, to {
		transform: scale(0.1);
	}
	50% {
		transform: scale(1);
	}
}

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