JSFiddle - React, Tailwind, and code Playground

HTML

<div id="links">
    <a href="/">LINK 1</a>
    <a href="/">LINK 2</a>
    <a href="/">LINK 3</a>
    <a href="/">LINK 4</a>
</div>

CSS

#links { 
    position:fixed;
    height:100%;
    width:150px;
    left:65px;
    background:lightslategrey; }

#links a {
    text-decoration:none;
    position:relative;
    display:inline-block;
	padding:5px;
	height:25px;
	width:100%;
	margin-bottom:10px;
    color:white;
	text-align:center;
    font:25px consolas; }