reduce highlight map line on dark theme

assets/css/blue/overrides.css

@@ -47,7 +47,10 @@ path.grid-worked {
 }
 
 #map,
-#qsomap {
+#qsomap,
+#mapqso,
+#gridsquare_map,
+#custommap {
 	background-color: #2e3e50;
 }
 

assets/css/cyborg/overrides.css

@@ -41,8 +41,11 @@ path.grid-worked {
 }
 
 #map,
-#qsomap {
-	background-color: #000;
+#qsomap,
+#mapqso,
+#gridsquare_map,
+#custommap {
+	background-color: #2d3537;
 }
 
 .leaflet-popup-content h3 {

assets/css/darkly/overrides.css

@@ -59,8 +59,11 @@ path.grid-worked {
 }
 
 #map,
-#qsomap {
-	background-color: #222;
+#qsomap,
+#mapqso,
+#gridsquare_map,
+#custommap {
+	background-color: #343d3f;
 }
 
 /* 

assets/css/superhero/overrides.css

@@ -47,8 +47,11 @@ path.grid-worked {
 }
 
 #map,
-#qsomap {
-	background-color: #2e3e50;
+#qsomap,
+#mapqso,
+#gridsquare_map,
+#custommap {
+	background-color: #353c4a;
 }
 
 /*