     position: relative;
        width: 100%;
        height: 100%;
      }
    </style>
    <style>
      #viewDiv {
        padding: 0;
        margin: 0;
        height: 100%;
        width: 100%;
      }
    </style>

    <script>
      require(["esri/Map", "esri/views/MapView"], function (Map, MapView) {
        const map = new Map({
          basemap: "gray-vector",
        });

        const view = new MapView({
          container: "viewDiv",
          map: map,
          zoom: 8,
          center: 