JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://dev.sencha.com/deploy/ext-4.0.7-gpl/resources/css/ext-all.css">
<script src="http://dev.sencha.com/deploy/ext-4.0.7-gpl/ext-all-debug.js"></script>

JavaScript

Ext.onReady(function() {

    var viewport = Ext.create('Ext.container.Viewport', {
        defaultType: 'container',
        layout: 'border',
        items: [
            {
                defaultType: 'container',
                layout: 'fit',
                region: 'center',
                autoScroll: true,
                items: [
                    {
                        defaultType: 'container',
                        minWidth: 800,
                        layout: 'anchor',
                        items: [
                            { html: 'banner1' },
                            { html: 'banner2' },
                            { html: 'banner3' },
                            { html: 'banner4' },
                            {
                                defaultType: 'container',
                                margin: '20 20 20 20',
                                defaults: {
                                    margin: '0 0 15 0'
                                },
                                html: '1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />1<br />'
                            },
                            {
                                id: 'footer',
                                defaultType: 'container',
                                padding: '10 0 10 0',
                                layout: {
                                    type: 'hbox',
                                    align: 'middle',
                                    pack: 'center'
                                },
                                items: [
                                    {
                                        html: 'Blaaah'
                                    }
     ...