JSFiddle - React, Tailwind, and code Playground

HTML

<h2>Header</h2>
<p>Paragraph 1</p>
<p>Paragraph 2</p>
<p>Paragraph 3</p>
<h1>Header</h1>
<p>Paragraph 4</p>
<h3>Header</h3>

CSS

p:odd{ background-color: gray; }

p:even{ background-color: blueviolet; }

p {
    font-size: 2em;
    padding-bottom: 30px;
}