JSFiddle - React, Tailwind, and code Playground

by krustnic

HTML

<div class="container">
  <div class="item"></div>
</div>

CSS

.container {
  height: 200px;
  width: 200px;
  background-color: red;
  position: relative;
}

.item {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  width: 30px;
  height: 30px;
  background-color: green;
}