JSFiddle - React, Tailwind, and code Playground

HTML

<div class="box">1</div>
<div class="box">2</div>
<div class="box">3</div>
<div class="box">4</div>

CSS

* {
  margin: 0;
  padding: 0;
}

.box {
 border: 1px solid crimson;
 display: inline-block;
 margin-right: -5px;
 padding: 12px 64px;
}