JSFiddle - React, Tailwind, and code Playground

HTML

<div id="asd">
    <div id="hello">hello hello hello hello hello hello hello</div>
    <div id="donut">donut</div>
</div>

CSS

#hello {
    background-color: yellow;
    font-size: 60px;
}
#donut {
    background-color: red;
    height:100%;
    width:100%;
}
#asd{
    position:absolute; 
    height:auto;
    width:100%;
    top:0;
    bottom:0;
}