JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li>
        <div>first</div>
    </li>
    <li>
        <div>first</div>
    </li>
    <li>
        <div>first</div>
    </li>
    <li>
        <a>first</a>
    </li>
</ul>

CSS

* {margin: 0; padding: 0; outline: 0;}

ul {
    padding: 0;
    border: solid 1px #000;
}
li {
    float: left;
    padding: 10px;
    border: solid 1px #f00;
    margin: 0;
}

li a {
    background-color: #000;
    width: 114px;
    height: 114px;
    color: #fff;
    font-size: 18px;
}