JSFiddle - React, Tailwind, and code Playground

by Yuriy Petrichenko

HTML

<div><div class="min"></div></div>

CSS

div{
  height:300px;
  width:300px;
  background: #222;
}
.min{
  margin:0 auto;
  position:relative;
  top:25%;
  width:100px;
  height:100px;
  background:LightSkyBlue;
}