<ul class="wrapper">
	<li>
		<a href="">Try hovering</a>
	</li>
</ul>
@import url("https://fonts.googleapis.com/css?family=Open+Sans:700");

@property --offset {
  syntax: '<length>';
  inherits: false;
  initial-value: 0;
}

* {
	box-sizing: border-box;
}

body {
	font-family: "Open Sans", sans-serif;
	margin: 0;
	padding: 1rem;
	background: linear-gradient(45deg, turquoise, darkorchid, deeppink, orange);
	color: white;
}

ul {
	list-style: none;
	font-weight: 700;
	font-size: clamp(2rem, 3vw, 3rem);
	text-align: center;
}

a {
	color: inherit;
	text-underline-offset: var(--offset, 0.2em);
	text-decoration: underline 0.15em;
	transition: --offset 400ms, text-decoration-color 400ms;
}

a:hover,
a:focus {
	--offset: 0.4em;
	text-decoration-color: orange;
}

@supports not (background: paint(something)) {
	a {
		transition: text-underline-offset 400ms, text-decoration-color 400ms;
	}
	
	a:hover,
	a:focus {
		text-underline-offset: 0.4em;
	}
}



.wrapper {
	min-height: 100vh;
	width: 100%;
	max-width: 50rem;
	margin: 0 auto;
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	align-items: center;
}

External CSS

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External JavaScript

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