JSFiddle - React, Tailwind, and code Playground

HTML

<ul class="level1">
		<li class="level1">top
			<ul class="level2">
				<li class="level2">middle
					<ul class="level3">
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
					</ul>
				</li class="level2">
				<li class="level2">middle
					<ul class="level3">
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
					</ul>
				</li class="level2">
				<li class="level2">middle
					<ul class="level3">
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
					</ul>
				</li class="level2">
				<li class="level2">middle
					<ul class="level3">
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
					</ul>
				</li>
			</ul>
			<ul class="level2">
				<li class="level2">middle
					<ul class="level3">
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
					</ul>
				</li class="level2">
				<li class="level2">middle
					<ul class="level3">
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
					</ul>
				</li class="level2">
				<li class="level2">middle
					<ul class="level3">
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li class="level3">bottom</li>
						<li...

CSS

body{
	}
	ul, li{
	}

	ul.level1{
	}
	li.level1{
	}

	ul.level2{
	}
	li.level2{
	}

	ul.level3{
	}
	li.level3{
	}