Fix up Code Climate issues with Open Street Map code.

app/assets/stylesheets/darkswarm/map.css.scss

@@ -48,15 +48,18 @@
     left: 54px;
     width: 50%;
     z-index: 1000;
+
     .autocomplete-input,
     .autocomplete-result-list {
-      border: 2px solid #888;
+      border: 2px solid $grey-500;
+
       &:hover, &:active, &:focus {
         border-color: $clr-brick;
       }
     }
+
     .autocomplete-result-list {
-      border-top: 1px dotted #888;
+      border-top: 1px dotted $grey-500;
     }
   }
 }

app/models/preference_sections/map_section.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module PreferenceSections
   class MapSection
     def name

app/serializers/api/open_street_map_config_serializer.rb

@@ -1,15 +1,21 @@
-class Api::OpenStreetMapConfigSerializer < ActiveModel::Serializer
-  attributes :open_street_map_enabled, :open_street_map_provider_name, :open_street_map_provider_options
+# frozen_string_literal: true
 
-  def open_street_map_enabled
-    ContentConfig.open_street_map_enabled
-  end
+module Api
+  class OpenStreetMapConfigSerializer < ActiveModel::Serializer
+    attributes :open_street_map_enabled,
+               :open_street_map_provider_name,
+               :open_street_map_provider_options
 
-  def open_street_map_provider_name
-    ContentConfig.open_street_map_provider_name
-  end
+    def open_street_map_enabled
+      ContentConfig.open_street_map_enabled
+    end
+
+    def open_street_map_provider_name
+      ContentConfig.open_street_map_provider_name
+    end
 
-  def open_street_map_provider_options
-    ContentConfig.open_street_map_provider_options.to_json
+    def open_street_map_provider_options
+      ContentConfig.open_street_map_provider_options.to_json
+    end
   end
 end