JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    Knock Knock
    gf
    gfgf
    gf
    gf
    gf
    <div id=myDiv style="background-color:pink">
        dfdfgssssssssssssssssssssssssssssssssssssssssssssss<br>
        dscsdcsdffffffffffffffffffffffffffffffffffffffffffffg<br>
        hello thereggggggggggggggggggggggggggggggggggggggggggggggggggggggg
    </div>
</div>

CSS

html, body, #myDiv {height: 100%, width: 100%, position: absolute}