updated tranparency only to label background

lib/widgets/map_widget.dart

@@ -93,17 +93,14 @@ class MapWidget extends StatelessWidget {
                 ],
               )),
         ),
-        Opacity(
+        Container(
-          opacity: 0.6,
+            color: Colors.white.withOpacity(0.4),
-          child: Container(
+            child: Text(TextUtils.getDisplayTextFeture(i),
-              color: Colors.white.withOpacity(0.6),
+                style: const TextStyle(
-              child: Text(TextUtils.getDisplayTextFeture(i),
+                  fontSize: 16,
-                  style: const TextStyle(
+                  fontWeight: FontWeight.bold,
-                    fontSize: 16,
+                  color: Colors.red,
-                    fontWeight: FontWeight.bold,
+                ))),
-                    color: Colors.red,
-                  ))),
-        ),
       ],
     );
   }