class TrashSizes { static double scale = 0.8; static double get headerHeight => 60 * scale; static double get fileNameWidth => 320 * scale; static double get lashModifyWidth => 230 * scale; static double get createTimeWidth => 230 * scale; static double get padding => 100 * scale; static double get totalWidth => TrashSizes.fileNameWidth + TrashSizes.lashModifyWidth + TrashSizes.createTimeWidth + TrashSizes.padding; }