JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li class="first"><a href="#">Link 1</a></li>
    <li><a href="#">Link 2</a></li>
    <li><a href="#">Link 3</a></li>
    <li><a href="#">Link 4</a></li>
    <li><a href="#">Link 5</a></li>
</ul>

CSS

ul {
    margin-left: 30px;
}

li {
    float: left;
    margin-left: -10px;
}

li a {
    background-color: rgba(0, 0, 0, 0.1);
    width: 80px;
    padding: 10px 0 12px;
    display: block;
    text-decoration: none;
    color: #333;
    text-align: center;
}

li a:hover {
    background-color: rgba(0, 0, 0, 0.6);
    color: white;