JSFiddle - React, Tailwind, and code Playground

by Simonwep

HTML

<div class="a"></div>
<div class="b"></div>

CSS

div {
  width: 10px;
  height: 10px;
  background: orange;
  transition: 0.3s;
  position: relative;
}

div.b {
  background: red;
}