modul-3

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

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

class MyApp extends StatelessWidget
{
  @override

  Widget build(BuildContext context)
  {
    SystemChrome.setEnabledSystemUIOverlays([]);
    const textStyle = TextStyle(fontFamily: 'Pacifico', fontSize: 40);
    return MaterialApp(
      home: Scaffold(
        body: Container(
          constraints: BoxConstraints.expand(),
          decoration: BoxDecoration(gradient: LinearGradient(
              begin: Alignment.topCenter,
              end: Alignment.bottomCenter,
              colors: [Color(0xffb81d46), Color(0xff804ad9)],
            )
          ),
          child: Stack(
            fit: StackFit.loose,
            children: <Widget>[
              Opacity(
                opacity: 0.1,
                child: Align(
                  alignment: Alignment.center,
                  child: Container(
                    height: 450,
                    decoration: BoxDecoration(
                      image: DecorationImage(
                        image: AssetImage('assets/images/heart.png'),
                        fit: BoxFit.cover,
                      )
                    ),
                  ),
                ),
              ),
              Center(
                child: RichText(
                  text: TextSpan(
                    children: <TextSpan>[
                      TextSpan(text: 'The', style: textStyle),
                      TextSpan(text: "\nLOVE\n", style: TextStyle(
                        color: Colors.white,
                        fontFamily: 'Poppins',
                        fontSize: 70,
                        fontWeight: FontWeight.w900,
                        height: 0.8,
                      )),
                      TextSpan(text: 'Calculator', style: textStyle.copyWith(height: 1)),
                    ]
                  )
                )
              )
            ],
          ),
        ))
    );
  }
}