JSFiddle - React, Tailwind, and code Playground

HTML

<body>
</body>

CSS

body { 
    background-image: url('http://www.w3schools.com/cssref/smiley.gif');
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: contain;
    background-position: 30% 100%; 
}