JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>  
<html>  
<head>  
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">  
    <!--The viewport meta tag is used to improve the presentation and behavior of the samples  
      on iOS devices-->  
    <meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no">  
    <title>Identify with Popup</title>  
  <link rel="stylesheet" href="https://js.arcgis.com/3.26/dijit/themes/claro/claro.css">
<link rel="stylesheet" href="https://js.arcgis.com/3.26/esri/css/esri.css">
    <!--<link rel="stylesheet" href="http://js.arcgis.com/3.26/js/esri/css/esri.css">-->  
    <style>
        html, body, .container, #map {
            height: 100%;
            width: 100%;
            margin: 0;
            padding: 0;
        }
        #map {
            padding: 0;
        }

        #layerListPane {
            width: 25%;
        }

        .esriLayer {
            background-color: #fff;
        }

        .esriLayerList .esriList {
            border-top: none;
        }

        .esriLayerList .esriTitle {
            background-color: #fff;
            border-bottom: none;
        }

        .esriLayerList .esriList ul {
            background-color: #fff;
        }

    </style>  
  
    <!--<script>var dojoConfig = { parseOnLoad: true };</script>-->  
    <script src="http://js.arcgis.com/3.26/"></script>  
    <script>  
  
        var map;  
        var identifyTask; var identifyParams; var  idPoint;  
        var identifyResults;  
  
        require([  
          "esri/map", 
        "esri/arcgis/utils",
        "esri/dijit/LayerList",

          "esri/dijit/Popup",
          "dojo/promise/all",
           "dojo/domReady!" ,
            "esri/tasks/IdentifyParameters",
        "esri/tasks/IdentifyTask",
        "dojo/_base/array"
        ], function (  
          Map,arcgisUtils,LayerList, Popup, All,IdentifyParameters,IdentifyTask,
          array
        ) {  
            var popup = new Popup({  
            ...