JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li>item1</li>
    <li>item2</li>
    <li>item3</li>
    <li>item4</li>
</ul>
<ul>
    <li>item5</li>
    <li>item6</li>
    <li>item7</li>
    <li>item8</li>
</ul>

CSS

ul {display: inline-block;}