<div class="container">
	<form>
		<label>
			<input type="radio" name="radio" checked/>
			<span>HTML</span>
		</label>
		<label>
			<input type="radio" name="radio"/>
			<span>CSS</span>
		</label>
		<label>
			<input type="radio" name="radio"/>
			<span>Javascript</span>
		</label>
	</form>
</div>
*,
*:after,
*:before {
	box-sizing: border-box;
}

$primary-color: #00005c; // Change color here. C'mon, try it! 
$text-color: mix(#000, $primary-color, 64%);

body {
	font-family: "Inter", sans-serif;
	color: $text-color;
	font-size: calc(1em + 1.25vw);
	background-color: mix(#fff, $primary-color, 90%);
}

form {
	display: flex;
	flex-wrap: wrap;
	flex-direction: column;
}

label {
	display: flex;
	cursor: pointer;
	font-weight: 500;
	position: relative;
	overflow: hidden;
	margin-bottom: 0.375em;
	/* Accessible outline */
	/* Remove comment to use */ 
	/*
		&:focus-within {
				outline: .125em solid $primary-color;
		}
	*/
	input {
		position: absolute;
		left: -9999px;
		&:checked + span {
			background-color: mix(#fff, $primary-color, 84%);
			&:before {
				box-shadow: inset 0 0 0 0.4375em $primary-color;
			}
		}
	}
	span {
		display: flex;
		align-items: center;
		padding: 0.375em 0.75em 0.375em 0.375em;
		border-radius: 99em; // or something higher...
		transition: 0.25s ease;
		&:hover {
			background-color: mix(#fff, $primary-color, 84%);
		}
		&:before {
			display: flex;
			flex-shrink: 0;
			content: "";
			background-color: #fff;
			width: 1.5em;
			height: 1.5em;
			border-radius: 50%;
			margin-right: 0.375em;
			transition: 0.25s ease;
			box-shadow: inset 0 0 0 0.125em $primary-color;
		}
	}
}

// Codepen spesific styling - only to center the elements in the pen preview and viewport
.container {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	width: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
	padding: 20px;
}
// End Codepen spesific styling
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External JavaScript

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