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: MyWidget(),
      ),
    );
  }
}

class MyWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Center(
      child: Container(
        width: 300,
        height: 300,
        color: Colors.white,
        child: Stack(
          children: [
            Positioned(
              left: 0,
              top: 0,
              child: Transform.rotate(
                angle: 1,
                child: Container(
                  color: Colors.red,
                  width: 250,
                  height: 250,
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}