JSFiddle - React, Tailwind, and code Playground
HTML
<div id="default">
<p style="font-size:1.5em">Test</p>
<p style="font-size:1em">Test</p>
<p style="font-size:.5em">Test</p>
</div>
---------
<div id="no-margin">
<p style="font-size:1.5em">Test</p>
<p style="font-size:1em">Test</p>
<p style="font-size:.5em">Test</p>
</div>CSS
#no-margin p {margin:0}