content: import 'dart:ui' as ui;
  import 'package:flutter/material.dart';
  
  class HomeBackdropFilter extends StatelessWidget {
    final Widget child;
  
    const HomeBackdropFilter({Key key, @required this.child}):
          assert(child != null),
          super(key: key);
  
    @override
    Widget build(BuildContext context) {
      return Container(
        color: Colors.white.withOpacity(0.5),
        child: BackdropFilter(
          filter: new ui.ImageFilter.blur(
            sigmaX: 6,
            sigmaY: 6,
          ),
          child: new Container(
            child: Stack(
              overflow: Overflow.visible,
              children: <Widget>[
                Container(
                  margin: EdgeInsets.only(top: 50.0),
                  child: Flex(
                    direction: Axis.horizontal,
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: <Widget>[
                      Text('CHOOSE YOUR ROOM',
                          textAlign: TextAlign.center,
                          style: TextStyle(fontSize: 20.0, fontWeight: FontWeight.bold, color: Colors.black54))
                    ],
                  ),
                ),
                child
              ],
            ),
          ),
        ),
      );
    }
  }