SPOT Layer

<style>
#map {
  height: 350px;
  position: relative;
  width: 100%;
}

</style>
<div id="map"></div>

<script>
var NPMap = {
  baseLayers: [
    'mapbox-satelliteLabels'
  ],
  div: 'map',
  homeControl: false,
  overlays: [{
    id: '0ATnNuieqRyM7RYsOFdaHoTNOtoFy9Xq4',
    popup: {
      description: '{{dateTime}}',
      title: '{{messengerName}}'
    },
    styles: {
      point: {
        'marker-symbol': 'dog-park'
      }
    },
    type: 'spot',
    zoomToBounds: true
  }]
};

(function () {
  var s = document.createElement('script');
  s.src = 'https://www.nps.gov/lib/npmap.js/4.0.0/npmap-bootstrap.js';
  document.body.appendChild(s);
})();

</script>