content: import 'package:flutter/material.dart';
  import 'package:url_launcher/url_launcher.dart';
  
  class Day25Align extends StatelessWidget {
    const Day25Align({Key key}) : super(key: key);
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        body: Center(
          child: Container(
            width: MediaQuery.of(context).size.width * 0.90,
            height: MediaQuery.of(context).size.height * 0.70,
            color: Colors.green,
            child: Align(
              // ? what is Align....
              alignment: Alignment.bottomCenter,
              /**
             * ! [alignment] is the important property for the Align Widget....
             * ! we can make the child align to the parent....
             * there are the main Alignments such as:-
             * * center, centerRight, centerLeft....
             * * bottomCenter, bottomRight, bottomLeft....
             * * topCenter, topRight, topLeft....
             */
              child: Text(
                  "Hello World!"), // ! you can see this Hello World at the bottom Center of the container....
            ),
          ),
        ),
        appBar: AppBar(
          title: Text("Align"),
          actions: <Widget>[
            IconButton(
              icon: Icon(Icons.help),
              onPressed: () async {
                const url =
                    'https://github.com/sanjaysanju618/100-Days-Of-Flutter-Widgets/' +
                        'blob/master/hundred_days_of_flutter_widget/' +
                        'lib/day025_align.dart';
                if (await canLaunch(url)) {
                  await launch(url);
                } else {
                  throw 'Could not launch $url';
                }
              },
            )
          ],
        ),
      );
    }
  }
  