Flutter styles used in my mobile app

flutter_styles.dart

class AppStyles {
  static const defaultFont = 'Poppins';
  static const paddingXl = EdgeInsets.all(32);
  static const paddingLg = EdgeInsets.all(16);
  static const paddingMd = EdgeInsets.all(8);
  static const TextStyle textXxsMedium =
      TextStyle(fontSize: 10, fontWeight: FontWeight.w500);

  static const TextStyle textXxsGray =
      TextStyle(fontSize: 10, color: Colors.black54);
  static const TextStyle textXsGray =
      TextStyle(fontSize: 12, color: Colors.black54);
  static const TextStyle textXsLightGray =
      TextStyle(fontSize: 12, color: Colors.black38);

  static const TextStyle textSm = TextStyle(fontSize: 14);
  static const TextStyle textSmMedium =
      TextStyle(fontSize: 14, fontWeight: FontWeight.w500);
  static const TextStyle textSmWhite =
      TextStyle(fontSize: 14, color: Colors.white);
  static final TextStyle textSmRed =
      TextStyle(fontSize: 14, color: Colors.red[800]);

  static const TextStyle textSmMediumGray =
      TextStyle(fontSize: 14, fontWeight: FontWeight.w500, color: Colors.grey);
  static const TextStyle textSmGray =
      TextStyle(fontSize: 14, color: Colors.black54);
  static const TextStyle textLgBold =
      TextStyle(fontSize: 24, fontWeight: FontWeight.bold);
  static const TextStyle textLgBlack =
      TextStyle(fontSize: 24, fontWeight: FontWeight.bold, color: Colors.black);
  static const TextStyle textXl = TextStyle(fontSize: 28);
  static const TextStyle textXlGreen =
      TextStyle(fontSize: 28, color: AppColors.darkGreenBackground);

  static const TextStyle textMdGray =
      TextStyle(fontSize: 18, color: Colors.black54);
  static const TextStyle textMdWhite =
      TextStyle(fontSize: 18, color: Colors.white, height: 1.5);

  static const TextStyle textMdGrayLite =
      TextStyle(fontSize: 18, color: Colors.black26);
  static const TextStyle textMdBlack =
      TextStyle(fontSize: 18, color: Colors.black);
  static const TextStyle textMdBold =
      TextStyle(fontSize: 18, fontWeight: FontWeight.bold);
  static const TextStyle textMdMedium =
      TextStyle(fontSize: 18, fontWeight: FontWeight.w500);
  static const TextStyle bulletStyle =
      TextStyle(fontSize: 40, fontWeight: FontWeight.w500);

  static const roundDecoration = InputDecoration(
      disabledBorder: Borders.disabledBorder,
      enabledBorder: Borders.enabledBorder,
      errorBorder: Borders.errorBorder,
      focusedBorder: Borders.focusedBorder,
      focusedErrorBorder: Borders.focusedErrorBorder,
      contentPadding: paddingLg);

  static const errorDecoration = InputDecoration(
    enabledBorder: Borders.errorBorder,
    errorBorder: Borders.errorBorder,
    focusedBorder: Borders.focusedErrorBorder,
    focusedErrorBorder: Borders.focusedErrorBorder,
  );

  static final perexStyleSheet = MarkdownStyleSheet(
      textScaleFactor: 1.2,
      p: TextStyle(fontWeight: FontWeight.w500, color: Colors.black));
  static final bodyStyleSheet = MarkdownStyleSheet(
    textScaleFactor: 1.2,
  );
  static final aboutStyleSheet = MarkdownStyleSheet(
    textScaleFactor: 1.1,
  );
}