如何在flutter table_calendar中自定义日历的大小？

dependencies:
  flutter:
    sdk: flutter
  table_calendar: ^2.3.3

import 'package:table_calendar/table_calendar.dart';

TableCalendar(
  calendarController: _calendarController,
  initialCalendarFormat: CalendarFormat.month,
  availableCalendarFormats: const {
    CalendarFormat.month: 'Month',
    CalendarFormat.week: 'Week',
  },
  calendarStyle: CalendarStyle(
    // 自定义日历的大小
    contentDecoration: BoxDecoration(
      border: Border.all(color: Colors.black),
    ),
    // 自定义日历的背景颜色
    todayDecoration: BoxDecoration(
      color: Colors.blue,
      shape: BoxShape.circle,
    ),
    // 自定义选中日期的背景颜色
    selectedDecoration: BoxDecoration(
      color: Colors.green,
      shape: BoxShape.circle,
    ),
  ),
),