main.dart

import 'package:flutter/material.dart';

const 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: Center(
          child: MyWidget(),
        ),
      ),
    );
  }
}

class MyWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return CustomScrollView(
      slivers: [
        const SliverPadding(
          padding: EdgeInsets.only(top: 100),
        ),
        SliverToBoxAdapter(child: Container(color: Colors.red, height: 400)),
        SliverToBoxAdapter(child: Container(color: Colors.grey, height: 400)),
        SliverToBoxAdapter(child: Container(color: Colors.blue, height: 400)),
        SliverToBoxAdapter(child: Container(color: Colors.purple, height: 400)),
        SliverToBoxAdapter(child: Container(color: Colors.green, height: 400)),
      ],
    );
  }
}