JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://imagesloaded.desandro.com/imagesloaded.pkgd.min.js"></script>

CSS

html,body {

    margin:0;
    padding:0;
    height:100%;
    background-image:url('https://s3.amazonaws.com/ooomf-com-files/3CoEETpvQYO8x60lnZSA_rue.jpg');
    background-size:100% 100%;
    -webkit-background-size:100% 100%;        /*  Safari  */
    -khtml-background-size:100% 100%;         /*  Konqueror  */
    -moz-background-size:100% 100%;          /*  Firefox  */
    background-repeat:no-repeat;
    background-attachment:fixed;
    overflow:hidden;
}

JavaScript

$('body').imagesLoaded(function(){alert('LOADED')});