JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    <!-- Your temp content here -->
</body>

CSS

body {
    background: url('http://www.flywavez.com/images/sexy-girl-listening.jpg') no-repeat fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}