Fix modal text color

lib/app.dart

@@ -81,7 +81,7 @@ class _AppState extends State<App> {
           fontFamily: "Arial",
           textTheme: TextTheme(
               button: TextStyle(color: Colors.white, fontSize: 18.0),
-              title: TextStyle(color: Colors.white))),
+              title: TextStyle(color: Colors.red))),
       home: new Scaffold(
         appBar: new AppBar(title: Text("Vereign")),
         body: Home(