diff --git a/assets/layers/bench/bench.json b/assets/layers/bench/bench.json
index 86f300922..0ed0a499e 100644
--- a/assets/layers/bench/bench.json
+++ b/assets/layers/bench/bench.json
@@ -230,7 +230,7 @@
       ]
     },
     {
-      "question":{
+      "question": {
         "en": "When was this bench last surveyed?"
       },
       "render": {
diff --git a/assets/layers/bicycle_library/bicycle_library.json b/assets/layers/bicycle_library/bicycle_library.json
index 12d1c4ef9..e9c506c1a 100644
--- a/assets/layers/bicycle_library/bicycle_library.json
+++ b/assets/layers/bicycle_library/bicycle_library.json
@@ -4,9 +4,10 @@
     "en": "Bicycle library",
     "nl": "Fietsbibliotheek"
   },
-  "minzoom": 8  ,
+  "minzoom": 8,
   "source": {
-    "osmTags": "amenity=bicycle_library"},
+    "osmTags": "amenity=bicycle_library"
+  },
   "title": {
     "render": {
       "en": "Bicycle library",
@@ -59,18 +60,23 @@
         "en": "How much does lending a bicycle cost?",
         "nl": "Hoeveel kost het huren van een fiets?"
       },
-      "render":{
+      "render": {
         "en": "Lending a bicycle costs {charge}",
         "nl": "Een fiets huren kost {charge}"
       },
       "freeform": {
         "key": "charge",
-        "addExtraTags": ["fee=yes"]
+        "addExtraTags": [
+          "fee=yes"
+        ]
       },
       "mappings": [
         {
           "if": {
-            "and": ["fee=no","charge="]
+            "and": [
+              "fee=no",
+              "charge="
+            ]
           },
           "then": {
             "en": "Lending a bicycle is free",
@@ -79,7 +85,10 @@
         },
         {
           "if": {
-            "and": ["fee=yes","charge=€20warranty + €20/year"]
+            "and": [
+              "fee=yes",
+              "charge=€20warranty + €20/year"
+            ]
           },
           "then": {
             "en": "Lending a bicycle costs €20/year and €20 warranty",
diff --git a/assets/layers/bicycle_tube_vending_machine/bicycle_tube_vending_machine.json b/assets/layers/bicycle_tube_vending_machine/bicycle_tube_vending_machine.json
index 099acc42c..617d5cc00 100644
--- a/assets/layers/bicycle_tube_vending_machine/bicycle_tube_vending_machine.json
+++ b/assets/layers/bicycle_tube_vending_machine/bicycle_tube_vending_machine.json
@@ -189,4 +189,4 @@
       "multiAnswer": true
     }
   ]
-}
+}
\ No newline at end of file
diff --git a/assets/layers/bike_parking/bike_parking.json b/assets/layers/bike_parking/bike_parking.json
index 84d28b350..3e19be8a3 100644
--- a/assets/layers/bike_parking/bike_parking.json
+++ b/assets/layers/bike_parking/bike_parking.json
@@ -16,7 +16,7 @@
     }
   },
   "icon": {
-    "render":  "./assets/layers/bike_parking/parking.svg"
+    "render": "./assets/layers/bike_parking/parking.svg"
   },
   "iconSize": "40,40,bottom",
   "color": "#00f",
diff --git a/assets/layers/bike_repair_station/bike_repair_station.json b/assets/layers/bike_repair_station/bike_repair_station.json
index 074d9be52..79ad79845 100644
--- a/assets/layers/bike_repair_station/bike_repair_station.json
+++ b/assets/layers/bike_repair_station/bike_repair_station.json
@@ -570,4 +570,4 @@
       ]
     }
   ]
-}
+}
\ No newline at end of file
diff --git a/assets/layers/bike_themed_object/bike_themed_object.json b/assets/layers/bike_themed_object/bike_themed_object.json
index 8709b7157..190e43719 100644
--- a/assets/layers/bike_themed_object/bike_themed_object.json
+++ b/assets/layers/bike_themed_object/bike_themed_object.json
@@ -17,7 +17,6 @@
         "association=bicycle",
         "ngo=cycling",
         "ngo=bicycle",
-
         "club=bicycle",
         "club=cycling"
       ]
diff --git a/assets/layers/defibrillator/defibrillator.json b/assets/layers/defibrillator/defibrillator.json
index 7832ed77d..a945f2d6c 100644
--- a/assets/layers/defibrillator/defibrillator.json
+++ b/assets/layers/defibrillator/defibrillator.json
@@ -408,15 +408,14 @@
         "type": "opening_hours"
       },
       "mappings": [
-            {
-              "if": "opening_hours=24/7",
-              "then": 
-              {
-                "en": "24/7 opened (including holidays)",
-                "nl": "24/7 open (inclusief feestdagen)"
-              }
-            }
-          ]
+        {
+          "if": "opening_hours=24/7",
+          "then": {
+            "en": "24/7 opened (including holidays)",
+            "nl": "24/7 open (inclusief feestdagen)"
+          }
+        }
+      ]
     },
     {
       "render": {
@@ -470,4 +469,4 @@
       }
     }
   ]
-}
+}
\ No newline at end of file
diff --git a/assets/layers/direction/direction.json b/assets/layers/direction/direction.json
index dc58a3a39..06c0c1ca2 100644
--- a/assets/layers/direction/direction.json
+++ b/assets/layers/direction/direction.json
@@ -39,4 +39,4 @@
   "stroke": "0",
   "presets": [],
   "wayHandling": 2
-}
+}
\ No newline at end of file
diff --git a/assets/layers/drinking_water/drinking_water.json b/assets/layers/drinking_water/drinking_water.json
index 6488321b8..e88a5b12e 100644
--- a/assets/layers/drinking_water/drinking_water.json
+++ b/assets/layers/drinking_water/drinking_water.json
@@ -128,11 +128,11 @@
       ]
     },
     {
-      "render":{
+      "render": {
         "en": "<a href='#{_closest_other_drinking_water_id}'>There is another drinking water fountain at {_closest_other_drinking_water_distance} meter</a>",
         "nl": "<a href='#{_closest_other_drinking_water_id}'>Er bevindt zich een ander drinkwaterpunt op {_closest_other_drinking_water_distance} meter</a>"
       },
       "condition": "_closest_other_drinking_water_id~*"
     }
   ]
-}
+}
\ No newline at end of file
diff --git a/assets/layers/nature_reserve/nature_reserve.json b/assets/layers/nature_reserve/nature_reserve.json
index f7393c1db..eb14c9470 100644
--- a/assets/layers/nature_reserve/nature_reserve.json
+++ b/assets/layers/nature_reserve/nature_reserve.json
@@ -338,10 +338,14 @@
         "en": "Surface area: {_surface:ha}Ha",
         "nl": "Totale oppervlakte: {_surface:ha}Ha"
       },
-      "mappings":[ {
+      "mappings": [
+        {
           "if": "_surface:ha=0",
-          "then": {"*":""}
-        }]
+          "then": {
+            "*": ""
+          }
+        }
+      ]
     }
   ],
   "hideUnderlayingFeaturesMinPercentage": 10,
@@ -372,5 +376,4 @@
       }
     }
   ]
-}
-   
+}
\ No newline at end of file
diff --git a/assets/layers/playground/playground.json b/assets/layers/playground/playground.json
index b826c78ac..bac33a879 100644
--- a/assets/layers/playground/playground.json
+++ b/assets/layers/playground/playground.json
@@ -369,4 +369,4 @@
     }
   ],
   "wayHandling": 2
-}
+}
\ No newline at end of file
diff --git a/assets/layers/slow_roads/slow_roads.json b/assets/layers/slow_roads/slow_roads.json
index 7583cfe42..9ec0c6231 100644
--- a/assets/layers/slow_roads/slow_roads.json
+++ b/assets/layers/slow_roads/slow_roads.json
@@ -191,6 +191,5 @@
   "color": {
     "render": "#eaba2a"
   },
-  "presets": [
-  ]
-}
+  "presets": []
+}
\ No newline at end of file
diff --git a/assets/layers/sport_pitch/sport_pitch.json b/assets/layers/sport_pitch/sport_pitch.json
index db57957b1..447e31732 100644
--- a/assets/layers/sport_pitch/sport_pitch.json
+++ b/assets/layers/sport_pitch/sport_pitch.json
@@ -367,7 +367,7 @@
         ]
       },
       "then": "circle:white;./assets/layers/sport_pitch/lock.svg",
-      "badge":true
+      "badge": true
     }
   ],
   "width": {
@@ -378,7 +378,10 @@
     "mappings": [
       {
         "if": {
-         "or": ["_size_classification=medium","id~node/.*"]
+          "or": [
+            "_size_classification=medium",
+            "id~node/.*"
+          ]
         },
         "then": "40,40,center"
       },
@@ -386,7 +389,6 @@
         "if": "_size_classification=small",
         "then": "25,25,center"
       },
-      
       {
         "if": "_size_classification=large",
         "then": "50,50,center"
@@ -420,4 +422,4 @@
       ]
     }
   ]
-}
+}
\ No newline at end of file
diff --git a/assets/layers/surveillance_camera/surveillance_camera.json b/assets/layers/surveillance_camera/surveillance_camera.json
index 37adb724a..2acdbc93f 100644
--- a/assets/layers/surveillance_camera/surveillance_camera.json
+++ b/assets/layers/surveillance_camera/surveillance_camera.json
@@ -406,4 +406,4 @@
     }
   ],
   "wayHandling": 2
-}
+}
\ No newline at end of file
diff --git a/assets/layers/tree_node/tree_node.json b/assets/layers/tree_node/tree_node.json
index f6f1ae3f4..9e980fcfb 100644
--- a/assets/layers/tree_node/tree_node.json
+++ b/assets/layers/tree_node/tree_node.json
@@ -454,4 +454,4 @@
       }
     }
   ]
-}
+}
\ No newline at end of file