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HTML

              
                <form>
	<div class="form__block">
		<label for="range1">A</label>
		<input id="range1" name="range1" type="range" min="0" max="5" value="3">
	</div>
	<div class="form__block">
		<label for="range2">B</label>
		<input id="range2" name="range2" type="range" min="0" max="10" value="5">
	</div>
	<div class="form__block">
		<label for="range3">C</label>
		<input id="range3" name="range3" type="range" min="0" max="20" value="10">
	</div>
	<div class="form__block">
		<label for="range4">D</label>
		<input id="range4" name="range4" type="range" min="0" max="25" value="13">
	</div>
	<div class="form__block">
		<label for="range5">E</label>
		<input id="range5" name="range5" type="range" min="0" max="30" value="15">
	</div>
	<div class="form__block">
		<label for="range6">F</label>
		<input id="range6" name="range6" type="range" min="0" max="40" value="20">
	</div>
	<div class="form__block">
		<label for="range7">G</label>
		<input id="range7" name="range7" type="range" min="0" max="50" value="25">
	</div>
	<div class="form__block">
		<label for="range8">H</label>
		<input id="range8" name="range8" type="range" min="0" max="60" value="30">
	</div>
	<div class="form__block">
		<label for="range9">I</label>
		<input id="range9" name="range9" type="range" min="0" max="70" value="35">
	</div>
	<div class="form__block">
		<label for="range10">J</label>
		<input id="range10" name="range10" type="range" min="0" max="80" value="40">
	</div>
	<div class="form__block">
		<label for="range11">K</label>
		<input id="range11" name="range11" type="range" min="0" max="90" value="45">
	</div>
	<div class="form__block">
		<label for="range12">L</label>
		<input id="range12" name="range12" type="range" min="0" max="100" value="50">
	</div>
</form>
              
            
!

CSS

              
                // mixins
@mixin thumbBaseProps()
	background: transparent
	border: 0
	width: 1px
	height: 1.5em
	-webkit-appearance: none
	-moz-appearance: none
	appearance: none

// normal styles
*
	border: 0
	box-sizing: border-box
	margin: 0
	padding: 0
\:root
	--bg: hsl(223,10%,90%)
	--fg: hsl(223,10%,10%)
	--orange: hsl(29,90%,55%)
	--yellow: hsl(43,90%,55%)
	--blue: hsl(198,90%,55%)
	--white: hsl(223,10%,100%)
	font-size: calc(20px + (30 - 20) * (100vw - 320px) / (1280 - 320))
body, input
	font: 1em/1.5 "Jost", system-ui, -apple-system, sans-serif
body
	background: var(--bg)
	color: var(--fg)
	display: flex
	height: 100vh
form
	display: grid
	grid:
		gap: 0 1.5em
		template-columns: repeat(2,1fr)
	margin: auto
label
	display: block
.range-pill
	--pillWidth: 4.5em
	box-shadow: 0 0.375em 0.375em 0 hsla(0,0%,0%,0.3)
	display: inline-block
	overflow: hidden
	position: relative
	width: var(--pillWidth)
	height: 1.5em
	&, &:before, &__input
		border-radius: 0.75em
	&:before, &:after, &__fill, &__input, &__value
		display: block
		position: absolute
	&:before, &__fill, &__input, &__value
		top: 0
		left: 0
		height: 100%
	&:before, &__input, &__value
		width: 100%
	&:before, &:after
		content: ""
		z-index: 3
	&:before
		background: radial-gradient(0.5em 0.4em at 0.75em 0.5em,hsla(0,0%,100%,0.25) 30%,hsla(0,0%,100%,0) 50%)
		box-shadow: 0.05em -0.025em 0.25em 0.05em hsla(0,0%,100%,0.4) inset, 0.125em -0.125em 0.15em 0.25em hsla(0,0%,100%,0.07) inset, 0 -0.75em 0.175em 0 hsla(0,0%,0%,0.07) inset, 0 -0.4em 0.05em 0.2em hsla(0,0%,100%,0.07) inset, 0 -0.125em 0.05em 0.2em hsla(0,0%,100%,0.1) inset
	&:after
		background: hsla(0,0%,100%,0.25)
		border-radius: 0.125em
		box-shadow: 0 0 0.1em 0.1em hsla(0,0%,100%,0.25)
		top: 0.6em
		left: 1.25em
		width: calc(var(--pillWidth) - 1.75em)
		height: 0.1em
	&--orange-track, &--orange-thumb &__fill
		background: var(--orange)
	&--yellow-track, &--yellow-thumb &__fill
		background: var(--yellow)
	&--blue-track, &--blue-thumb &__fill
		background: var(--blue)
	&--white-track, &--white-thumb &__fill
		background: var(--white)
	&__fill
		box-shadow: 0 0 0.1em hsl(223,10%,10%), -0.05em 0 0 hsla(0,0%,100%,0.3) inset
		z-index: 1
	&__input
		background: transparent
		cursor: pointer
		z-index: 4
		-webkit-appearance: none
		-moz-appearance: none
		appearance: none
		-webkit-tap-highlight-color: transparent
		&:focus
			outline: transparent
			&-visible
				box-shadow: 0 0 0.125em 0.125em hsl(223,90%,45%) inset
		&::-moz-focus-outer 
			border: 0
		&::-webkit-slider-thumb
			@include thumbBaseProps()
		&::-moz-range-thumb
			@include thumbBaseProps()
	&__value
		color: hsl(223,10%,10%)
		font-size: 0.75em
		line-height: 2
		text:
			align: center
			shadow: 0 0 0.2em hsla(223,10%,10%,0.3), 0.1em 0.1em 0.1em hsla(223,10%,10%,0.3)
		z-index: 2

// dark mode
@media (prefers-color-scheme: dark)
	\:root 
		--bg: hsl(223,10%,20%)
		--fg: hsl(223,10%,90%)
	.range-pill
		box-shadow: 0 0.375em 0.375em 0 hsla(0,0%,0%,0.3)
		&:before
			background: radial-gradient(0.5em 0.4em at 0.75em 0.5em,hsla(0,0%,100%,0.2) 30%,hsla(0,0%,100%,0) 50%)
			box-shadow: 0.05em -0.025em 0.25em 0.05em hsla(223,10%,20%,0.4) inset, 0.125em -0.125em 0.15em 0.25em hsla(223,10%,20%,0.07) inset, 0 -0.75em 0.175em 0 hsla(0,0%,0%,0.07) inset, 0 -0.4em 0.05em 0.2em hsla(223,10%,20%,0.07) inset, 0 -0.125em 0.05em 0.2em hsla(223,10%,20%,0.1) inset

// larger viewports
@media (min-width: 480px)
	form
		grid:
			template-columns: repeat(3,1fr)
@media (min-width: 768px)
	form
		grid:
			template-columns: repeat(4,1fr)
              
            
!

JS

              
                document.addEventListener("DOMContentLoaded",function(){
	let ranges = [
		new RangePill("#range1","orange"),
		new RangePill("#range2","yellow"),
		new RangePill("#range3","blue"),
		new RangePill("#range4","white","orange"),
		new RangePill("#range5","white","yellow"),
		new RangePill("#range6","white","blue"),
		new RangePill("#range7","orange","yellow"),
		new RangePill("#range8","blue","orange"),
		new RangePill("#range9","yellow","blue"),
		new RangePill("#range10","yellow","orange"),
		new RangePill("#range11","orange","blue"),
		new RangePill("#range12","blue","yellow")
	];
});

class RangePill {
	constructor(qs,thumbColor = "orange",trackColor = "white") {
		this.el = document.querySelector(qs);
		this.fill = null;
		this.value = null;

		if (this.el) {
			this.buildSlider(thumbColor,trackColor);
			this.el.addEventListener("input",this.changeValue.bind(this));
		}
	}
	buildSlider(thumbColor,trackColor) {
		this.el.className = "range-pill__input";
		// create a div to contain the <input>
		let rangeWrap = document.createElement("span");
		rangeWrap.className = "range-pill";
		// thumb and track colors
		if (thumbColor)
			rangeWrap.classList.add(`range-pill--${thumbColor}-thumb`);
		if (trackColor)
			rangeWrap.classList.add(`range-pill--${trackColor}-track`);
		this.el.parentElement.insertBefore(rangeWrap,this.el);
		// input
		rangeWrap.appendChild(this.el);
		// range fill
		let rangeFill = document.createElement("span");
		rangeFill.className = "range-pill__fill";
		rangeWrap.appendChild(rangeFill);
		// range value
		let rangeValue = document.createElement("span");
		rangeValue.className = "range-pill__value";
		rangeValue.textContent = this.el.value;
		rangeWrap.appendChild(rangeValue);
		// initial value
		this.fill = rangeFill;
		this.value = rangeValue;
		this.changeValue();
	}
	changeValue() {
		// keep the value within range
		if (+this.el.value > this.el.max)
			this.el.value = this.el.max;
		else if (+this.el.value < this.el.min)
			this.el.value = this.el.min;
		// width of fill
		if (this.fill) {
			let pct = (this.el.value - this.el.min) / (this.el.max - this.el.min),
				fillWidth = pct * 100;

			this.fill.style.width = `${fillWidth}%`;
		}
		// value
		if (this.value)
			this.value.textContent = this.el.value;
	}
}
              
            
!
999px

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