flutter_server_box/lib/view/widget/two_line_text.dart

import 'package:flutter/material.dart';

class TwoLineText extends StatelessWidget {
  const TwoLineText({Key? key, required this.up, required this.down}) : super(key: key);
  final String up;
  final String down;

  @override
  Widget build(BuildContext context) {
    return Column(
          children: [
            Text(up, style: const TextStyle(fontSize: 15),),
            Text(down, style: const TextStyle(fontSize: 11),)
          ],
        );
  }
}