JSFiddle - React, Tailwind, and code Playground

HTML

<ul class="test">
    <li>1</li>
    <li>2
        <ul>
            <li>2.1 - should not be red</li>
            <li>2.2 - should not be red</li>
        </ul>
    </li>
    <li>3</li>
</ul>

CSS

.test > li {
    color: #f00;
}