JSFiddle - React, Tailwind, and code Playground

CSS

html {
    height:100%;
    width:100%;
    background:black;
    display:table;
}
body {
    display:table-cell;
    background-image:url('https://uwmadison.qualtrics.com/CP/Graphic.php?IM=IM_00pfOKSXTudGqfb');
    background-repeat: no-repeat;
    background-position:center;
    background-size:70vw 70vh;
}