WIP: style adjustments for radial menu operations icons

css/map.css

@@ -21,11 +21,17 @@ img.tile-removing {
     opacity: 0;
 }
 
-/* base styles */
-path { fill: none; }
+/* allow overrideable fill for svg sprite icons */
 #defs path { fill: inherit; }
+
+path { fill: none; }
 use { pointer-events: none; }
 
+/* base styles */
+g.line path, g.area path {
+    fill: none;
+}
+
 g.point .shadow,
 g.vertex .shadow,
 g.midpoint .shadow {