  { saturation: -20 }
              ]
            }, {
                featureType: "road",
                elementType: "geometry",
                stylers: [
                    { lightness: 100 },
                    { visibility: "simplified" }
              ]
            }, {
                featureType: "road",
                elementType: "labels",
                stylers: [
                    { visibility: "off" }
              ]
            }
        ];
        
        map.addStyle({
            