JSFiddle - React, Tailwind, and code Playground

HTML

<div id="root">
    <p>
        <p>Test 1</p>
        
        <h3>Heading</h3>
        
        <h3>Heading 2</h3>
        
    </p>
</div>

<h3>Heading 3</h3>

CSS

div#root > h3
{
    color: red;
}