JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <ul>
        <li>1</li>
        <li>2</li>
        <li>3</li>
    </ul>
    <ul>
        <li>4</li>
        <li>5</li>
    </ul>
    <ul>
        <li>6</li>
    </ul>
</div>

CSS

/* Which selector would select the list item with content '4' (or any specific list item)? */

??? {
    background-color: red;
}