import 'package:flutter/material.dart'; class ScrollBox extends StatelessWidget { final Widget child; const ScrollBox({super.key, required this.child}); @override Widget build(BuildContext context) { return ScrollbarTheme( data: ScrollbarThemeData( thumbColor: WidgetStateProperty.all(Theme.of(context).colorScheme.surfaceContainerHigh), thickness: WidgetStateProperty.all(3), crossAxisMargin: 3, mainAxisMargin: 2, radius: const Radius.circular(5), ), child: Scrollbar( child: child, ), ); } }