main.dart

import 'package:flutter/material.dart';

final Color darkBlue = Color.fromARGB(255, 18, 32, 47);

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.dark().copyWith(scaffoldBackgroundColor: darkBlue),
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: DefaultTextStyle(
          style: TextStyle(fontSize: 32),
          child: Stack(children: <Widget>[
            Container(
              height: 180,
              color: Colors.blue,
              child: ClipRect(
                child: Column(children: <Widget>[
                  Text("Menu 1"),
                  Text("Menu 2"),
                  Text("Menu 3"),
                  Text("Menu 4"),
                  Text("Menu 5"),
                ]),
              ),
            ),
            Container(
                margin: EdgeInsets.only(top: 180),
                height: double.infinity,
                width: double.infinity,
                color: Colors.pink,
                child: Text("APP")),
          ]),
        ),
      ),
    );
  }
}