main.dartimport 'package:flutter/material.dart';​void main() {runApp(new MaterialApp(//home: new Text("Cool")home: new MyStatelessWidget()));}​class MyStatelessWidget extends StatelessWidget {Widget build(BuildContext context){//Scaffold provide functionality of appbar, body of app etcreturn new Scaffold(appBar: new AppBar(title: new Text("Stateless Widget")),body: new Container(//adding padding around cardpadding: new EdgeInsets.all(20.0),child: new Column(crossAxisAlignment: CrossAxisAlignment.stretch,children: <Widget>[// new Text("Hey"),// new Text("My name"),// new Text("Is Raunak")​new MyCard(title: new Text("I love Flutter", style: new TextStyle(fontSize: 20.0)),icon: new Icon(Icons.favorite, size: 40.0, color: Colors.redAccent)),new MyCard(title: new Text("I love Donuts", style: new TextStyle(fontSize: 20.0)),icon: new Icon(Icons.donut_large, size: 40.0, color: Colors.brown)),new MyCard(title: new Text("I see you", style: new TextStyle(fontSize: 20.0)),icon: new Icon(Icons.visibility, size: 40.0, color: Colors.blue))])));}}​class MyCard extends StatelessWidget {//adding constructorMyCard({this.title, this.icon});​final Widget title;final Widget icon;​Widget build(BuildContext context){return new Container(//adding bottom padding on cardpadding: new EdgeInsets.only(bottom: 20.0),child: new Card(child: new Container(//adding padding inside cardpadding: new EdgeInsets.all(15.0),child: new Column(children: <Widget>[// new Text("I love Flutter"),// new Icon(Icons.favorite)​this.title,this.icon]))));}}