JSFiddle - React, Tailwind, and code Playground

HTML

<div class="foo">
        <ul>
            <li>one</li>
            <li>two</li>
        </ul>
        <ul>
            <li>three</li>
        </ul>
        <ul>
            <li>four</li>
        </ul>
    </div>

CSS

.foo li:nth-child(1),
.foo li:nth-child(3)
{
    color:red;
}