import 'package:flutter/material.dart'; class ResponsiveContainer extends StatelessWidget { final Widget child; final double maxWidth; final double maxHeight; const ResponsiveContainer({ Key? key, required this.child, this.maxWidth = 600.0, this.maxHeight = 1000.0, }) : super(key: key); @override Widget build(BuildContext context) { return Center( child: ConstrainedBox( constraints: BoxConstraints(maxWidth: maxWidth, maxHeight: maxHeight), child: child, ), ); } }