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HTML 

              
                <div id="sunburst">
	<!-- dashes -->
	<section class="dashes"></section>
	<!-- outer colour -->
	<section class="circle"></section><!--2-->
	<section class="circle"></section>
	<section class="circle"></section>
	<section class="circle"></section>
	<section class="circle"></section>
	<section class="circle"></section>
	
	<!--mid colour -->
	<section class="circle"></section><!--8-->
	<section class="circle"></section>
	<section class="detail"></section><!--10-->
	<section class="circle"></section>
	<section class="circle"></section>
	
	<!-- inner colour -->
	<section class="circle"></section><!--13-->
	<section class="circle"></section>
	<section class="circle"></section>
	<section class="circle"></section>
	<section class="circle"></section>
	<section class="circle"></section>
	<section class="circle"></section>

	<section class="burst"></section><!--20-->
	<section class="burst"></section>
	
</div>
!

CSS 

              
                /* settings */
body {
	--black: #222;
	--pink: #E52F70;
	
	--bk: oldlace;
	--col1: darkkhaki;
	--col2: indianred;
	--col3: lightseagreen;
	--detail: darkgray;
	
	background-color: var(--bk);
}
/* container */
#sunburst {
	border-radius: 50%;
	width: 90vmin; height: 90vmin;
	margin: 5vmin auto;
	
	display: grid;
	grid-template-areas: "chart";
	place-items: center;
}

/* all sections */
section {
	grid-area: chart;
	border-radius: 50%;
	background-repeat: no-repeat;
	background-position: center;
}

/* counts down for each section, means inner is first here */
.circle:nth-of-type(19) {
	width: 18vmin; height: 18vmin;
	border: 1px solid var(--bk);
	
	background-image:
		radial-gradient(circle at center, var(--bk) 70%, transparent 70%),
		conic-gradient(
			var(--bk) 36deg,
			var(--col1) 36deg 110deg, var(--bk) 110deg
		)
	;
	background-size: 15vmin 15vmin, 18vmin 18vmin;
}
.circle:nth-of-type(18) {
	width: 21vmin; height: 21vmin;
	
	background-image:
		conic-gradient(
			var(--bk) 70deg,
			var(--col1) 70deg 250deg, var(--bk) 250deg
		)
	;
}
.circle:nth-of-type(17) {
	width: 24vmin; height: 24vmin;
	
	background-image:
		conic-gradient(
			var(--bk) 190deg,
			var(--col1) 190deg 250deg, var(--bk) 250deg
		)
	;
}
.circle:nth-of-type(16) {
	width: 27vmin; height: 27vmin;
	
	background-image:
		conic-gradient(
			var(--bk) 46deg,
			var(--col1) 46deg 120deg, var(--bk) 120deg 220deg,
			var(--col1) 220deg 260deg, var(--bk) 260deg
		)
	;
}
.circle:nth-of-type(15) {
	width: 30vmin; height: 30vmin;
	border: 1px solid var(--bk);
	
	background-image:
		conic-gradient(
			var(--bk) 180deg,
			var(--col1) 180deg 290deg, var(--bk) 290deg
		)
	;
}
.circle:nth-of-type(14) {
	width: 33vmin; height: 33vmin;
	
	background-image:
		conic-gradient(
			var(--bk) 210deg,
			var(--col1) 210deg 290deg, var(--bk) 290deg
		)
	;
}
.circle:nth-of-type(13) {
	width: 39vmin; height: 39vmin; 
	border: 2px solid var(--detail);
	
	background-image:
		conic-gradient(
			var(--bk) 280deg,
			var(--col1) 280deg 290deg, var(--bk) 290deg
		)
	;
}

/* second group */
.circle:nth-of-type(12) {
	width: 42vmin; height: 42vmin; 
	
	background-image:
		conic-gradient(
			var(--bk) 160deg,
			var(--col2) 160deg 360deg, var(--bk) 360deg
		)
	;
}
.circle:nth-of-type(11) {
	width: 48vmin; height: 48vmin; 
	border: 1px solid var(--bk);

	background-image:
		conic-gradient(
			var(--bk) 200deg,
			var(--col2) 200deg 360deg, var(--bk) 360deg
		)
	;
}
.detail:nth-of-type(10) {
	width: 52vmin; height: 32vmin; 
	border: 2px solid var(--detail);
}
.circle:nth-of-type(9) {
	width: 51vmin; height: 51vmin; 
	
	background-image:
		conic-gradient(
			var(--bk) 300deg,
			var(--col2) 300deg 360deg, var(--bk) 360deg
		) 
	;
}
.circle:nth-of-type(8) {
	width: 57vmin; height: 57vmin; 
	border: 1px solid var(--bk);
	
	background-image:
		conic-gradient(
			var(--bk) 320deg,
			var(--col2) 320deg 360deg, var(--bk) 360deg
		)
	;
}

/* outer part */
.circle:nth-of-type(7) {
	width: 60vmin; height: 60vmin; 
	
	background-image:
		conic-gradient(
			var(--bk) 190deg,
			var(--col3) 190deg 360deg, var(--bk) 360deg
		)
	;
}
.circle:nth-of-type(6) {
	width: 66vmin; height: 66vmin;
	border: 1px solid var(--detail);
	
	background-image:
		conic-gradient(
			var(--bk) 290deg,
			var(--col3) 290deg 360deg, var(--bk) 360deg
		)
	;
}
.circle:nth-of-type(5) {
	width: 72vmin; height: 72vmin; 
	border: 1px solid var(--bk);
	
	background-image:
		conic-gradient(
			var(--bk) 330deg,
			var(--col3) 330deg 360deg, var(--bk) 360deg
		)
	;
}
.circle:nth-of-type(4) {
	width: 75vmin; height: 75vmin; 
	border: 1px solid var(--bk);
	
	background-image:
		conic-gradient(
			var(--bk) 240deg,
			var(--col3) 240deg 360deg, var(--bk) 360deg
		)
	;
}
.circle:nth-of-type(3) {
	width: 78vmin; height:78vmin; 
	
	background-image:
		conic-gradient(
			var(--bk) 310deg,
			var(--col3) 310deg 360deg, var(--bk) 360deg
		)
	;
}
.circle:nth-of-type(2) {
	width: 84vmin; height: 84vmin; 
	border: 1px solid var(--bk);
	
	background-image:
		conic-gradient(
			var(--bk) 340deg,
			var(--col3) 340deg 360deg, var(--bk) 360deg
		)
	;
}

.dashes {
	width: 90vmin; height: 90vmin; 
	
	background-image:
		conic-gradient(
			var(--detail) 0 2deg, var(--bk) 2deg 30deg, 
			var(--detail) 30deg 32deg, var(--bk) 32deg 60deg,
			var(--detail) 60deg 61deg, var(--bk) 61deg 90deg,
			var(--detail) 90deg 92deg, var(--bk) 92deg 120deg,
			var(--detail) 120deg 122deg, var(--bk) 122deg 150deg,
			var(--detail) 150deg 151deg, var(--bk) 151deg 180deg,
			var(--detail) 180deg 182deg, var(--bk) 182deg 210deg,
			var(--detail) 210deg 211deg, var(--bk) 211deg 240deg,
			var(--detail) 240deg 241deg, var(--bk) 241deg 270deg,
			var(--detail) 270deg 272deg, var(--bk) 272deg 300deg,
			var(--detail) 300deg 301deg, var(--bk) 301deg 330deg,
			var(--detail) 330deg 331deg, var(--bk) 331deg 360deg,
		)
	;
	background-size: 90vmin;
}

.burst:nth-of-type(20) {
	width: 62vmin; height: 62vmin;
	
	background-image:
		radial-gradient(circle at center, var(--bk) 50%, transparent 50%),
		conic-gradient(
			transparent 6deg,
			var(--detail) 6deg 12deg, transparent 12deg 158deg,
			var(--detail) 158deg 164deg, transparent 164deg 296deg,
			var(--detail) 296deg 302deg, transparent 302deg
		)
	;
	background-size: 15vmin 15vmin, 62vmin 62vmin;
	opacity: 0.7;
}

.burst:nth-of-type(21) {
	width: 82vmin; height: 82vmin;
	
	background-image:
		radial-gradient(circle at center, var(--bk) 50%, transparent 50%),
		conic-gradient(
			transparent 26deg,
			var(--detail) 26deg 32deg, transparent 32deg 100deg,
			var(--detail) 100deg 106deg, transparent 106deg 246deg,
			var(--detail) 246deg 252deg, transparent 252deg
		)
	;
	background-size: 15vmin 15vmin, 82vmin 82vmin;
	opacity: 0.7;
}
!

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