testing a mapbox gl style...

glstyle.json

{
  "version": 7,
  "name": "Mapbox Outdoors",
  "constants": {
    "@name": "{name_en}",
    "@sans_lt": "Open Sans Regular, Arial Unicode MS Regular, Arial Unicode MS Bold",
    "@sans": "Open Sans Semibold, Arial Unicode MS Bold",
    "@sans_italic": "Open Sans Semibold Italic, Arial Unicode MS Bold",
    "@land": "#808080",
    "@water": "#808080",
    "@water_dark": "#808080",
    "@crop": "#808080",
    "@grass": "#808080",
    "@scrub": "#808080",
    "@wood": "#cee2bd",
    "@snow": "#f4f8ff",
    "@rock": "#ddd",
    "@sand": "#ffd",
    "@cemetery": "#edf4ed",
    "@pitch": "#fff",
    "@park": "#d4e4bc",
    "@piste": "blue",
    "@school": "#e8dfe0",
    "@hospital": "#f8eee0",
    "@parking": "#bfbfbf",
    "@builtup": "#f6faff",
    "@case": "#fff",
    "@motorway": "#cda0a0",
    "@main": "#ddc0b9",
    "@street": {
      "stops": [[12.5, "#d9d5c6"], [13, "#fff"]]
    },
    "@street_case": "#d9d5c6",
    "@service": "#faf7f0",
    "@text": "#666",
    "@text_stroke": "rgba(255,255,255,0.8)",
    "@text_halo": "rgba(255,255,255,0.8)",
    "@country_text": "#000",
    "@marine_text": "#a0bdc0",
    "@water_text": "#185869",
    "@land_night": "#017293",
    "@water_night": "#103",
    "@water_dark_night": "#003366",
    "@crop_night": "#178d96",
    "@grass_night": "#23948a",
    "@scrub_night": "#31a186",
    "@wood_night": "#45b581",
    "@park_night": "#51bd8b",
    "@snow_night": "#5ad9fe",
    "@rock_night": "#999",
    "@sand_night": "#437162",
    "@cemetery_night": "#218c96",
    "@pitch_night": "rgba(255,255,255,0.2)",
    "@school_night": "#01536a",
    "@hospital_night": "#015e7a",
    "@builtup_night": "#014b60",
    "@admin_night": "#ffb680",
    "@text_night": "#fff",
    "@text_water_night": "#0186ac",
    "@text_stroke_night": "#103",
    "@text2_stroke_night": "rgba(1,69,89,0.8)",
    "@case_night": "#015e7a",
    "@street_case_night": "#015b76",
    "@motorway_night": "#bbdde7",
    "@main_night": "#64b2c9",
    "@street_night": "#0186ac",
    "@service_night": "#017ea2",
    "@contour_night": "#ffff80",
    "@river_canal_width": {
      "stops": [[10, 0.5], [20, 6]]
    },
    "@stream_width": {
      "stops": [[13, 0.75], [20, 4]]
    },
    "@motorway_width": {
      "base": 1.25,
      "stops": [[9, 1], [20, 30]]
    },
    "@motorway_casing_width": {
      "stops": [[9, 0.9], [11, 1], [14, 1.5]]
    },
    "@motorway_link_width": {
      "base": 1.2,
      "stops": [[10, 1], [20, 7]]
    },
    "@motorway_link_casing_width": {
      "stops": [[11, 0.8], [16, 1]]
    },
    "@main_width": {
      "base": 1.3,
      "stops": [[11, 1], [20, 28]]
    },
    "@main_casing_width": {
      "stops": [[11, 1], [15, 1.5]]
    },
    "@street_width": {
      "base": 1.3,
      "stops": [[12.5, 1], [20, 12]]
    },
    "@street_casing_width": {
      "stops": [[12.5, 0], [13, 1], [15, 1.5]]
    },
    "@service_width": {
      "base": 1.3,
      "stops": [[15, 2], [20, 7]]
    },
    "@service_casing_width": 1,
    "@path_width": {
      "base": 1.3,
      "stops": [[15, 1.5], [20, 2]]
    },
    "@path_bg_width": {
      "base": 1.3,
      "stops": [[15, 4], [20, 5]]
    },
    "@path_steps_width": {
      "base": 1.3,
      "stops": [[15, 1.5], [20, 10]]
    },
    "@path_dasharray_primary": [3, 1],
    "@path_dasharray_secondary": [5, 1.5],
    "@tunnel_dasharray": [4, 1.5],
    "@major_rail_hatching_width": {
      "stops": [[12, 5], [20, 10]]
    },
    "@major_rail_hatching_dasharray": [0.05, 10],
    "@aerialway_width": {
      "base": 1.2,
      "stops": [[12, 0.8], [20, 5]]
    },
    "@aerialway_casing_width": {
      "stops": [[12, 0.6], [17, 1]]
    },
    "@aerialway_hatching_width": {
      "base": 1.2,
      "stops": [[12, 5], [20, 15]]
    },
    "@runway_width": {
      "base": 1.15,
      "stops": [[10, 2], [20, 32]]
    },
    "@taxiway_width": {
      "base": 1.15,
      "stops": [[11, 0.2], [20, 8]]
    },
    "@admin_l2_width": {
      "stops": [[2, 0.6], [20, 8]]
    },
    "@admin_l3_width": {
      "stops": [[5, 0.6], [20, 6]]
    },
    "@fence_width": {
      "stops": [[16, 0.6], [20, 1.4]]
    },
    "@hedge_width": {
      "base": 0.9,
      "stops": [[15, 0.6], [20, 2]]
    },
    "@barrier_line_land_width": {
      "base": 1.9,
      "stops": [[13, 0.4], [20, 48]]
    },
    "@country_label_size": {
      "stops": [[2, 11], [8, 20]]
    },
    "@road_label_1_size": {
      "base": 1.3,
      "stops": [[12, 11], [17, 18]]
    },
    "@road_label_2_size": {
      "base": 1.3,
      "stops": [[12, 11], [17, 16]]
    },
    "@road_label_3_size": {
      "base": 1.3,
      "stops": [[14, 10], [17, 14]]
    },
    "@poi_label_1-2_size": {
      "stops": [[14, 10], [16, 12]]
    },
    "@poi_label_3_size": {
      "stops": [[15, 10], [16, 11]]
    }
  },
  "sources": {
    "mapbox": {
      "type": "vector",
      "url": "mapbox://mapbox.mapbox-terrain-v2,mapbox.mapbox-streets-v6"
    }
  },
  "sprite": "https://www.mapbox.com/mapbox-gl-styles/sprites/outdoors",
  "glyphs": "mapbox://fontstack/{fontstack}/{range}.pbf",
  "layers": [{
    "id": "background",
    "type": "background",
    "paint": {
      "background-color": "@land"
    },
    "paint.night": {
      "background-color": "@land_night"
    }
  }]
}