JSFiddle - React, Tailwind, and code Playground
by saxxi
HTML
<div>contenuto</div>
<div>contenuto</div>
<div>contenuto</div>CSS
div { position:relative; padding:20px; background:#ffcc00; margin-bottom:20px; }
div:after { position:absolute; content:" "; width:20px; height:20px; background:#ccc; bottom:-10px; right:10px; }