JSFiddle - React, Tailwind, and code Playground

HTML

<!doctype html">
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title> streets shadow</title>
    <link rel="stylesheet" type="text/css" href="http://serverapi.arcgisonline.com/jsapi/arcgis/2.2/js/dojo/dijit/themes/claro/claro.css">
    <style>
      html, body { height: 100%; width: 100%; margin: 0; padding: 0; }
      #map{padding:0;}
      #top-shadow {
        position: absolute; 
        top: 0; 
        left: 0; 
        width: 100%; 
        background: url(http://i.imgur.com/FiSqQ.png) 0 0 repeat-x; 
        height: 20px; 
        z-index: 101;
      }
      #left-shadow {
        position: absolute;
        top: 0;
        left: 0;
        width: 12px;
        height: 100%;
        background: url(http://i.imgur.com/tGExG.png) 0 0 repeat-y;
        z-index: 101;
      }
    </style>
    <script type="text/javascript">var djConfig = {parseOnLoad: true};</script>
    <script type="text/javascript" src="http://serverapi.arcgisonline.com/jsapi/arcgis/?v=2.2"></script>
    <script type="text/javascript">
      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":-17731,"ymin":6710077,"xmax":-12495,"ymax":6712279,"spatialReference":{"wkid":102100}});
        map = new esri.Map("map",{extent:initExtent});    
        var basemap = new esri.layers.ArcGISTiledMapServiceLayer("http://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer");
        map.addLayer(basemap);  
      }  
      dojo.addOnLoad(init);
    </script>
  </head>
  
  <body class="claro">
    <div dojotype="dijit.layout.BorderContainer" design="headline" gutters="false" style="width: 100%; height: 100%; margin: 0;">
      <div id="map" dojotype="dijit.layout.ContentPane" region="center" style="overflow:hidden;">
        <div id="top-shadow"></div> 
        <div...