JSFiddle - React, Tailwind, and code Playground

HTML

<div id="push"></div>
<div id="absolution"></div>

CSS

html
{
    height: 100%;
}

body
{
    min-height: 100%;
    position: relative;
    background: red;
    margin: 0;
}

#push
{
    padding-top: 600px;
}

#absolution
{
    position: absolute;
    width: 100%;
    height: 100%;
    
    left: 0px;
    top: 0px;
    background:black
}