JSFiddle - React, Tailwind, and code Playground

by mlms13

HTML

<div class="bluebox"></div>
<div class="redbox"></div>

CSS

div {
  width:200px;
  height:200px;
  background-color:#00f;
  float:left;
  border:2px solid #000;
}
.bluebox{
  position:relative;
  z-index:-1;
}
.redbox{
  background-color:#f00;
  left:-100px;
  z-index:2;
  position:relative;
}