JSFiddle - React, Tailwind, and code Playground
HTML
<label><input type="checkbox">My link
<p>Sed ut perspiciatis unde omnis iste natus</p>
</label>CSS
input[type="checkbox"] {display: none;}
input[type="checkbox"] + p {display:none; margin-left:1em;}
input[type="checkbox"]:checked + p {display:block;}