הצבת ווידג'טים זה מעל זה

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        appBar: AppBar(title: const Text('Shop')),
        body: Padding(
          padding: const EdgeInsets.all(16),
          child: Column(
            children: [
              Column(
                children: [
                  Container(
                    height: 200,
                    color: Colors.blueGrey.shade100,
                    child: const Center(child: Icon(Icons.image, size: 64)),
                  ),
                  Container(
                    padding: const EdgeInsets.all(8),
                    color: Colors.red,
                    child: const Text('SALE', style: TextStyle(color: Colors.white)),
                  ),
                ],
              ),
              const SizedBox(height: 12),
              const Text('Running shoes', style: TextStyle(fontSize: 20)),
            ],
          ),
        ),
      ),
    );
  }
}