JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Left margin = <small>24 px</small></h1>
<h2>Left margin = <small>18 px</small></h2>
<p>Left margin = <small>12 px</small></p>

CSS

h1 {font-size: 24px;}
h2 {font-size: 18px;}
p {font-size: 12px;}
h1, h2, p {margin-left: 1em;}
small {font-size: 0.8em;}