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import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Welcome to Flutter',
      home: Scaffold(
        body: Center(
          child: Container(
            child: new Text(
              'Hello World!!!',
              style: TextStyle(fontSize: 40.0)
            ),
            alignment: Alignment.center, // bottomLeft | bottomCenter | bottomRight | centerLeft | topRight
            width: 500.0,
            height: 400.0,
            //color: Colors.lightBlue,
            padding: const EdgeInsets.fromLTRB(10.0, 100.0, 0.0, 0.0),
            margin: const EdgeInsets.all(10.0),
            decoration: new BoxDecoration(
              gradient: const LinearGradient(
                colors:[Colors.lightBlue,Colors.greenAccent,Colors.purple]
              ),
              border: Border.all(width: 5.0, color: Colors.red)
            )
          )
        ),
      ),
      
    );
  }
}