#mapid { height: 180px; }
var mymap = L.map('mapid').setView([51.505, -0.09], 13);
L.tileLayer('https://api.mapbox.com/styles/v1/{id}/tiles/{z}/{x}/{y}?access_token={accessToken}', {
attribution: 'Map data ©
OpenStreetMap contributors, Imagery ©
Mapbox',
maxZoom: 18,
id: 'mapbox/streets-v11',
tileSize: 512,
zoomOffset: -1,
accessToken: 'your.mapbox.access.token'
}).addTo(mymap);