JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://dev.sencha.com/deploy/ext-3.4.0/resources/css/ext-all.css">
<script src="http://dev.sencha.com/deploy/ext-3.4.0/adapter/ext/ext-base.js"></script>
<script src="http://dev.sencha.com/deploy/ext-3.4.0/ext-all-debug.js"></script>

JavaScript

var stationsPanel = new Ext.Panel({
  bodyStyle:'padding:5px 5px 0',
  frame:true,
  id: "stationsPanel",
  layout:'column',
  width : 700,
  items: [{
     layout:'form',
     items:[{
         xtype:'combo',
         fieldLabel: "Start Station",
          id: "startstation",
         allowBlank: false 
     }]
   },{
      layout:'form',
      items:[{
        xtype: "spacer",
        width: 50 
      }]
   },{
      layout:'form',
      items:[{
        xtype:'combo',
        fieldLabel: "End Station",
        id: "endstation",
        allowBlank: false 
      }]
    }]
 });

stationsPanel.render(document.body);