JSFiddle - React, Tailwind, and code Playground

by Oleg Khobotov

HTML

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

CSS

body {
  display: flex;
}
div {
border-radius: 5px;
border: 1px solid red;
width: 200px;
height: 200px;
margin: 20px;
}
div:hover {
  border: 2px solid red;
}