JSFiddle - React, Tailwind, and code Playground

HTML

<h3>Before</h3>

<table class='extras'>
	<tr><td><h1>Available Extras</h1></td></tr>
</table>

<h1>After</h1>
<h2>After</h2>

CSS

h1,h2,h3,h4,h5,h6 { color: red; font-weight: normal }

.white_rectangle,.extras h1,h2,h3,h4,h5{
	color: navy;
}