<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>A simple map</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.0.3/dist/leaflet.css" />
<script src="https://unpkg.com/leaflet@1.0.3/dist/leaflet.js"></script>
<script src="https://maps.flightmap.io/flightmapjs"></script>
<script src="https://unpkg.com/mapbox-gl-leaflet/leaflet-mapbox-gl.js"></script>
<style>
body {
margin: 0;
padding: 0;
}
#map {
position: absolute;
top: 0;
bottom: 0;
width: 100%;
}
</style>
</head>
<body>
<div id='map'></div>
<script>
var map = L.map('map');
map.options.minZoom = 2;
var gl = L.mapboxGL({
accessToken: '<your access token here>',
style: 'style-dark.json'
}).addTo(map);
map.fitWorld();
</script>
</body>
</html>