Update index.html

index.html

@@ -34,9 +34,10 @@
         }
 
         .leaflet-tile-container img {
-            opacity: 0.5 !important;
-            filter: grayscale(100%) brightness(0) invert(1) !important;
+            opacity: 0.4 !important;
+            filter: grayscale(100%) !important;
         }
+
         .map .mask {
             width: 100%;
             height: 100%;