diff --git a/app/map_styles/polygon.xml b/app/map_styles/polygon.xml
index 8d5fb2c6..5600f460 100644
--- a/app/map_styles/polygon.xml
+++ b/app/map_styles/polygon.xml
@@ -3,6 +3,11 @@
         <Rule>
             <PolygonSymbolizer fill="#cccccc" />
         </Rule>
+        <Rule>
+            <LineSymbolizer stroke="#222222aa" stroke-width="0.5" />
+            <MaxScaleDenominator>17000</MaxScaleDenominator>
+            <MinScaleDenominator>0</MinScaleDenominator>
+        </Rule>
         <Rule>
             <TextSymbolizer face-name="DejaVu Sans Condensed Bold"  fill="#000000">
                 [location_number]
@@ -15,6 +20,11 @@
         <Rule>
             <PolygonSymbolizer fill="#303044" />
         </Rule>
+        <Rule>
+            <LineSymbolizer stroke="#ccccccaa" stroke-width="0.5" />
+            <MaxScaleDenominator>17000</MaxScaleDenominator>
+            <MinScaleDenominator>0</MinScaleDenominator>
+        </Rule>
         <Rule>
             <TextSymbolizer face-name="DejaVu Sans Condensed Bold" fill="#ffffff">
                 [location_number]