JSFiddle - React, Tailwind, and code Playground

HTML

<div id="root" style="background-color:#dddddd;width:100px;height:100px;position:relative">
            <div id="graph" style="background-color:#00ff00;width:50px;height:20px;position:absolute;bottom:0px">
            </div>
        </div>

CSS

html,body{height:100%;}

JavaScript

$(window).resize(function() {
    $('#root').width('100%');
    $('#root').height('100%');
});