JSFiddle - React, Tailwind, and code Playground

by prozoroff

HTML

<div class="c1">
  
  <div class="c2"></div>
  
</div>

CSS

.c1 {
  height: 300px;
  width: 300px;
  background-color: lightgray;
  
  display: flex;
  justify-content: center;
  align-items: center;
}

.c2 {
  height: 100px;
  width: 100px;
  background-color: gray;
}