Place to display the cards

main.dart

import 'package:flutter/material.dart';
import 'package:flutter/animation.dart';
import 'package:animation_playground/classes/card.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo Card Game',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Flutter Demo Card Game Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);
  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> with TickerProviderStateMixin {
  @override
  void dispose() {
    super.dispose();
  }

  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Stack(
        children: <Widget>[
          CardItem(
            color: Colors.blue,
            value: 5,
          ),
          CardItem(
            color: Colors.deepOrange,
            value: 8,
          ),
          CardItem(
            color: Colors.deepPurpleAccent,
            value: 8,
          )
        ],
      ),
    );
  }
}