JSFiddle - React, Tailwind, and code Playground
by oilvier
HTML
<ul>
<li>
<div>1 <br>1<sup>bis</sup><br>1<sup>ter</sup></div>
</li>
<li>
<div>2</div>
</li>
<li>
<div style="padding:0;">3</div>
</li>
</ul>
CSS
ul {display:flex; list-style:none; flex-wrap:wrap; margin:0; padding:0; background:firebrick}
li {flex:1; display:flex; padding:0 10px; margin:20px 0; background:beige; align-items:center;}
li:not(:first-child) {border-left:1px solid red;}
div {background:tomato; padding:40px; text-align: center; font-family:sans-serif; font-size:20px; flex:1;}