Lighter tooltip background

Author: gdude2002

src/main/css/index.css

@@ -13,7 +13,7 @@ html, body, #main {
 }
 
 .leaflet-tooltip {
-    background-color: #000000BB;
+    background-color: #FFFFFFBB;
     border-color: #AAAAAA;
     border-radius: 6px;
     color: white;