Button in Flutter

code:-

import 'package:flutter/material.dart';

void main() {
  runApp(om());
}

class om extends StatefulWidget {
  const om({super.key});

  @override
  State<om> createState() => _omState();
}

class _omState extends State<om> {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      darkTheme: ThemeData.dark(),
      title: 'Om Namah Shivay',
      home: Scaffold(
        appBar: AppBar(
          centerTitle: true,
          backgroundColor: Colors.red,
          title: Text(
            'Button',
            style: TextStyle(color: Colors.black),
          ),
        ),
        body: Center(
          child: ElevatedButton(
              style: ButtonStyle(
                  fixedSize: WidgetStatePropertyAll(Size(100, 100)),
                  shape: WidgetStatePropertyAll(RoundedRectangleBorder(
                      side: BorderSide(color: Colors.white, width: 3),
                      borderRadius: BorderRadius.only(
                          topLeft: Radius.circular(50),
                          bottomRight: Radius.circular(50)))),
                  elevation: WidgetStatePropertyAll(5.0),
                  backgroundColor: WidgetStatePropertyAll(Colors.red)),
              onPressed: () {},
              child: Text(
                'Click',
                style: TextStyle(color: Colors.black),
              )),
        ),
      ),
    );
  }
}

I understood