JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    <div id="background">
    </div>
</body>

CSS

html, body {
    margin:0;
    padding:0;
    height: 100%;
}
#background {
    background : #000000 url("http://pascocountyflattorney.com/wp-content/uploads/2012/07/tokyo-blue-background-4547.jpg") no-repeat bottom left;
    background-size: 100% 100%;
    min-height:100%;
}