JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li>one</li>
    <li>two</li>
    <li>three one, two, three </li>
</ul>

CSS

ul{background-color: gray; float:left; }
li{background-color: red; float: left; clear: left; width: auto; width:100%;}