Custom black and white Google map style

bwmapstyle.js

map = new google.maps.Map(document.getElementById('map'), {
        zoom: 8,
        center: new google.maps.LatLng(43.946515, -72.677099),
        mapTypeId: 'roadmap',
        mapTypeControl: false,
        streetViewControl: false,
        fullscreenControl: false,
        gestureHandling:'cooperative',
        styles: [
          {
            "elementType": "geometry",
            "stylers": [
              {
                "color": "#f5f5f5"
              }
            ]
          },
          {
            "elementType": "labels.icon",
            "stylers": [
              {
                "visibility": "off"
              }
            ]
          },
          {
            "elementType": "labels.text.fill",
            "stylers": [
              {
                "color": "#616161"
              }
            ]
          },
          {
            "elementType": "labels.text.stroke",
            "stylers": [
              {
                "color": "#f5f5f5"
              }
            ]
          },
          {
            "featureType": "administrative.land_parcel",
            "elementType": "labels.text.fill",
            "stylers": [
              {
                "color": "#bdbdbd"
              }
            ]
          },
          {
            "featureType": "poi",
            "elementType": "geometry",
            "stylers": [
              {
                "color": "#eeeeee"
              }
            ]
          },
          {
            "featureType": "poi",
            "elementType": "labels.text.fill",
            "stylers": [
              {
                "color": "#757575"
              }
            ]
          },
          {
            "featureType": "poi.business",
            "stylers": [
              {
                "visibility": "off"
              }
            ]
          },
          {
            "featureType": "poi.park",
            "elementType": "geometry",
            "stylers": [
              {
                "color": "#e5e5e5"
              }
            ]
          },
          {
            "featureType": "poi.park",
            "elementType": "labels.text.fill",
            "stylers": [
              {
                "color": "#9e9e9e"
              }
            ]
          },
          {
            "featureType": "road",
            "elementType": "geometry",
            "stylers": [
              {
                "color": "#ffffff"
              }
            ]
          },
          {
            "featureType": "road",
            "elementType": "labels.icon",
            "stylers": [
              {
                "visibility": "off"
              }
            ]
          },
          {
            "featureType": "road.arterial",
            "elementType": "labels.text.fill",
            "stylers": [
              {
                "color": "#757575"
              }
            ]
          },
          {
            "featureType": "road.highway",
            "elementType": "geometry",
            "stylers": [
              {
                "color": "#dadada"
              }
            ]
          },
          {
            "featureType": "road.highway",
            "elementType": "labels.text.fill",
            "stylers": [
              {
                "color": "#616161"
              }
            ]
          },
          {
            "featureType": "road.local",
            "elementType": "labels.text.fill",
            "stylers": [
              {
                "color": "#9e9e9e"
              }
            ]
          },
          {
            "featureType": "transit",
            "stylers": [
              {
                "visibility": "off"
              }
            ]
          },
          {
            "featureType": "transit.line",
            "elementType": "geometry",
            "stylers": [
              {
                "color": "#e5e5e5"
              }
            ]
          },
          {
            "featureType": "transit.station",
            "elementType": "geometry",
            "stylers": [
              {
                "color": "#eeeeee"
              }
            ]
          },
          {
            "featureType": "water",
            "elementType": "geometry",
            "stylers": [
              {
                "color": "#c9c9c9"
              }
            ]
          },
          {
            "featureType": "water",
            "elementType": "labels.text.fill",
            "stylers": [
              {
                "color": "#9e9e9e"
              }
            ]
          }
        ]
      });