import "package:flutter/material.dart";

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {

  @override
  Widget build(BuildContext context) {

    return MaterialApp(title : "Exemplo com Cards",
      home : Scaffold(
        body : Center(
          child : Card(
            child : Column(mainAxisSize: MainAxisSize.min,
              children : [
                Text("Filho1"),
                Divider(),
                Text("Filho2"),
                Divider(),
                Text("Filho3")
              ]
            )
          )
        )
      )
    );
  }
}