JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
	<div class="edit">
		<textarea></textarea>
	</div>
	<div class="links">
		<ul>
			<li><a href="/Welcome">Welcome</a></li>
			<li><a href="/Welcome/subpage">subpage</a></li>
			<li><a href="/Welcome/subpage1">subpage1</a></li>
			<li><a href="/Welcome/subpage2">subpage2</a></li>
			<li><a href="/Welcome/subpage3">subpage3</a></li>
			<li><a href="/Welcome/subpage4">subpage4</a></li>
			<li><a href="/Welcome/subpage5">subpage5</a></li>
			<li><a href="/Welcome/subpage6">subpage6</a></li>
			<li><a href="/Welcome/subpage7">subpage7</a></li>
			<li><a href="/Welcome/oh%20when%20will%20it%20end">oh when will it end</a></li>
			<li><a href="/Welcome/wtf">wtf</a></li>
			<li><a href="/Welcome/TRWTF">TRWTF</a></li>
		</ul>
	</div>
	<div class="content">
		<p>text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a;</p>
		<p>text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a;</p>
		<p>text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a;</p>
		<p>text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a;</p>
		<p>text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf l;askjfb;askljdf a; text liufd psuf...

CSS

html, body {
	padding: 0;
	margin: 0;
}
.edit {
	float: left;
	height: 100vh;
	width: 41%;
}
.links {
	float: right;
	width: 18%;
	margin-left: 1%;
}
.edit textarea {
	box-sizing: border-box;
	height: 100%;
	width: 100%;
}
.content {
	margin-left: 42%;
}
.content > :first-child {
	margin-top: 0;
}