JSFiddle - React, Tailwind, and code Playground

by dimshik

HTML

<div class="body">
  <div class="box"></div>
</div>

CSS

.body {
  border:1px solid black;
  background-color: coral;
  width:400px;
  height:400px;
  position: relative;
}

.box {
  width: 50px;
  height: 50px;
  position:absolute;
  top:0;
  left:0;
  background-color: lightblue;
}