JSFiddle - React, Tailwind, and code Playground

by Nikhil krishnan

HTML

<body>

<h1>This is a heading</h1>
<p>The first paragraph.</p>
<p>The second paragraph.</p>
<p>The third paragraph.</p>
<p>The fourth paragraph.</p>
<p>The fifth paragraph.</p>
<p>The sixth paragraph.</p>
<p>The seventh paragraph.</p>
<p>The eight paragraph.</p>
<p>The ninth paragraph.</p>

<p><b>Note:</b> Internet Explorer 8 and earlier versions do not support the :nth-child() selector.</p>

CSS

p:nth-child(3n+0)
{
background:#ff0000;
}