JSFiddle - React, Tailwind, and code Playground

HTML

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=7,IE=9" />
    <meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no"/>
    <title></title>
    <link rel="stylesheet" href="http://serverapi.arcgisonline.com/jsapi/arcgis/2.5/js/dojo/dijit/themes/tundra/tundra.css">
    <style>
      html, body { 
        height: 100%; 
        width: 100%; 
        margin: 0; 
        padding: 20px 0 0 0; 
        background: url('http://i.imgur.com/rcnkH.png')
      }
      #map{ 
        margin: 0; 
        padding: 0; 
        width: 800px;
        height: 800px;
      }
      #container {
        height: 800px; 
        width: 800px; 
        margin: 0 auto;
        padding: 20px;
        border-bottom: 1px solid #555;
        box-shadow: inset 0 0 40px #000;
        -moz-border-radius: 0.2em;
        -webkit-border-radius: 0.2em;
        border-radius: 0.2em;
      }
    </style>
    <script>var dojoConfig = { parseOnLoad: true };</script>
    <script src="http://serverapi.arcgisonline.com/jsapi/arcgis/?v=2.5"></script>
    <script>
      dojo.require("dijit.layout.BorderContainer");
      dojo.require("dijit.layout.ContentPane");
      dojo.require("esri.map");
      
      var map;
      function init() {
        var initExtent = new esri.geometry.Extent({"xmin":-336350,"ymin":4294006,"xmax":3381546,"ymax":8011903,"spatialReference":{"wkid":102100}});
        map = new esri.Map("map",{
          extent: initExtent,
          wrapAround180: true
        });
        var basemap = new esri.layers.ArcGISTiledMapServiceLayer("http://server.arcgisonline.com/ArcGIS/rest/services/Canvas/World_Light_Gray_Base/MapServer");
        map.addLayer(basemap);
        
        dojo.connect(map, 'onLoad', function() { 
          dojo.connect(dijit.byId('map'), 'resize', map,map.resize);
        });
      }
      dojo.ready(init);
    </script>
  </head>
  
  <body class="tundra">
    <div...