Set standard position.

lib/chessapp/chess_app.dart

@@ -63,17 +63,15 @@ class ChessApp extends StatelessWidget {
               ),
             ),
           ),
-          floatingActionButton: const FloatingActionButton(
+          floatingActionButton: FloatingActionButton(
-            onPressed: reconnect,
+            onPressed: () {
-            child: Icon(Icons.connect_without_contact),
+              ServerConnection.getInstance().reconnect();
+              ConnectionCubit.getInstance().reconnect();
+            },
+            child: const Icon(Icons.network_wifi),
           ),
         ),
       ),
     );
   }
 }
-
-void reconnect() {
-  ServerConnection.getInstance().reconnect();
-  ConnectionCubit.getInstance().reconnect();
-}