Use uiDisclosure for background pane subsections, move brightness

data/core.yaml

@@ -372,21 +372,25 @@ en:
     title: Background
     description: Background settings
     key: B
-    percent_brightness: "{opacity}% brightness"
+    backgrounds: Backgrounds
     none: None
     best_imagery: Best known imagery source for this location
     switch: Switch back to this background
     custom: Custom
     custom_button: Edit custom background
     custom_prompt: "Enter a tile URL template. Valid tokens are:\n   - {zoom}/{z}, {x}, {y} for Z/X/Y tile scheme\n   - {ty} for flipped TMS-style Y coordinates\n   - {u} for quadtile scheme\n   - {switch:a,b,c} for DNS server multiplexing\n\nExample:\n{example}"
-    fix_misalignment: Adjust imagery offset
+    overlays: Overlays
     imagery_source_faq: Where does this imagery come from?
     reset: reset
-    offset: "Drag anywhere in the gray area below to adjust the imagery offset, or enter the offset values in meters."
+    display_options: Display Options
+    brightness: Brightness
+    percent_brightness: "{opacity}% brightness"
     minimap:
-      description: Minimap
+      description: Show Minimap
       tooltip: Show a zoomed out map to help locate the area currently displayed.
       key: '/'
+    fix_misalignment: Adjust imagery offset
+    offset: "Drag anywhere in the gray area below to adjust the imagery offset, or enter the offset values in meters."
   map_data:
     title: Map Data
     description: Map Data