JSFiddle - React, Tailwind, and code Playground

by Madmartigan

HTML

<div>DIV</div>

CSS

div{
 background:red;   
}
div:after {
        content:" ";
    width:30px;
    height:20px;
    border-radius:4px;
    position:absolute;
    background:#FFF6BF;
    z-index:999 !important;
    margin-top:-10px;
}