content: import 'package:flutter/material.dart';
  
  class AppTheme {
    static final ThemeData light = ThemeData(
      iconTheme: IconThemeData(color: Colors.black87),
      bottomNavigationBarTheme: BottomNavigationBarThemeData(
          backgroundColor: Colors.blueGrey,
          selectedItemColor: Colors.white,
          unselectedItemColor: Colors.white70),
      appBarTheme: AppBarTheme(
        color: Colors.blueGrey,
      ),
      brightness: Brightness.light,
      scaffoldBackgroundColor: Colors.white,
      cardColor: Colors.grey[500],
      unselectedWidgetColor: Colors.black45,
      focusColor: Colors.black,
      textTheme: TextTheme(
        headline1: TextStyle(
            color: Colors.black, fontSize: 40, fontWeight: FontWeight.w500),
        headline2: TextStyle(
            color: Colors.black, fontSize: 34, fontWeight: FontWeight.w400),
        headline3: TextStyle(
            color: Colors.black, fontSize: 22, fontWeight: FontWeight.w500),
        headline4: TextStyle(
            color: Colors.black54, fontSize: 16, fontWeight: FontWeight.bold),
        headline5: TextStyle(
            color: Colors.black, fontSize: 19, fontWeight: FontWeight.w700),
        headline6: TextStyle(
            color: Colors.black, fontSize: 13, fontWeight: FontWeight.w400),
        subtitle1: TextStyle(
            color: Colors.black87, fontSize: 14, fontWeight: FontWeight.normal),
        subtitle2: TextStyle(
            color: Colors.black, fontSize: 16, fontWeight: FontWeight.bold),
      ),
    );
  
    static final ThemeData dark = ThemeData(
      primaryColor: Colors.black12,
      bottomNavigationBarTheme: BottomNavigationBarThemeData(
          backgroundColor: Colors.black,
          selectedItemColor: Colors.white,
          unselectedItemColor: Colors.white70),
      appBarTheme: AppBarTheme(
        color: Colors.black,
      ),
      brightness: Brightness.dark,
      scaffoldBackgroundColor: Colors.black,
      focusColor: Colors.white,
      textTheme: TextTheme(
          headline1: TextStyle(
              color: Colors.white, fontSize: 40, fontWeight: FontWeight.w500),
          headline2: TextStyle(
              color: Colors.white, fontSize: 34, fontWeight: FontWeight.w400),
          headline3: TextStyle(
              color: Colors.white, fontSize: 22, fontWeight: FontWeight.w500),
          headline4: TextStyle(
              color: Colors.white70, fontSize: 16, fontWeight: FontWeight.bold),
          headline5: TextStyle(
              color: Colors.white, fontSize: 19, fontWeight: FontWeight.w700),
          headline6: TextStyle(
              color: Colors.white, fontSize: 13, fontWeight: FontWeight.w400),
          subtitle1: TextStyle(
              color: Colors.white70, fontSize: 14, fontWeight: FontWeight.normal),
          subtitle2: TextStyle(
              color: Colors.white, fontSize: 16, fontWeight: FontWeight.bold)),
    );
  }
  