Firef.ly style swipe

<!DOCTYPE html>
<html>

<head>
  <meta charset='utf-8' />
  <title></title>
  <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
  <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.15.0/mapbox-gl.js'></script>
  <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.15.0/mapbox-gl.css' rel='stylesheet' />
  <style>
    body {
      margin: 0;
      padding: 0;
    }

#map {
      position: absolute;
      top: 0;
      bottom: 0;
      width: 100%;
    }
  </style>
</head>

<body>

body * {
      -webkit-touch-callout: none;
      -webkit-user-select: none;
      -moz-user-select: none;
      -ms-user-select: none;
      user-select: none;
    }

.map {
      position: absolute;
      top: 0;
      bottom: 0;
      width: 100%;
    }
  </style>

var after = new mapboxgl.Map({
      container: 'after',
      style: 'mapbox://styles/fireflyexperience/cim2js1e5009w9jm0ie7wgg3r',
      center: [0, 0],
      zoom: 0
    });

new mapboxgl.Compare(before, after);
  </script>

</body>

</html>

https://api.tiles.mapbox.com/mapbox-gl-js/v0.15.0/mapbox-gl.js

https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-compare/v0.0.1/mapbox-gl-compare.js