JSFiddle - React, Tailwind, and code Playground

JavaScript

$(document).ready(function(){
    var images = ['http://cdn.farinspace.net/wp-content/uploads/jquery_200x200.jpg', 'http://rafaelappsi2.files.wordpress.com/2013/03/css1.gif'];
    $('body').css({'background-image':'url(' + images[Math.floor(Math.random() *      images.length)] + ')','background-repeat': 'no-repeat','background-position': '200px 70px'});
    });