import 'package:flutter/material.dart'; class BackgroundGradientBox extends StatelessWidget { final Widget child; const BackgroundGradientBox({ Key key, this.child, }) : super(key: key); @override Widget build(BuildContext context) { return Container( decoration: BoxDecoration( gradient: LinearGradient( begin: Alignment.topRight, end: Alignment.bottomLeft, colors: [ Theme.of(context).scaffoldBackgroundColor, Theme.of(context).secondaryHeaderColor, Theme.of(context).secondaryHeaderColor, ], ), ), child: child, ); } }