JSFiddle - React, Tailwind, and code Playground

HTML

<div id="loading"></div>

CSS

#loading {

    position:fixed;
    z-index:1104;
    background:url(http://www.webdesign.org/img_articles/13053/loading-gif-animation.gif) no-repeat center center #999999;
    width:100%;
    height:100%;

    }