JSFiddle - React, Tailwind, and code Playground

by SpiceLab

HTML

<div style="color:red;margin:3em">
    <div class="Header1">foobar</div>
</div>

CSS

div[style="color:red;margin:3em"] .Header1 {
    border:1px solid #000;
    text-align:center
}

JavaScript

$( "div" ).css( "background", "#ddd" );