JSFiddle - React, Tailwind, and code Playground

HTML

<div></div><div></div><div></div><div></div><div></div><div></div>

CSS

div {
  padding: .25%;
  margin: 10%;
  display: inline-flex;
  box-shadow: 0 0 0 .5px steelblue;
  width: 5%;
  height: 1rem;
  position:relative;
  overflow: hidden;
}