anchor.diff:                startDelayFraction: 0.05,
                 controller: _animationController,
                 child: CategoryListItem(
  -                title: homeCategoryCupertino,
  +                title: _homeCategoryCupertino,
                   imageString: 'assets/icons/cupertino/cupertino.png',
                   demos: cupertinoDemos(context),
                 ),
  
positive.code:   Widget build(BuildContext context) {
      var carouselHeight = _carouselHeight(.7, context);
      final isDesktop = isDisplayDesktop(context);
      final carouselCards = <_CarouselCard>[
        _CarouselCard(
          title: shrineTitle,
          subtitle: GalleryLocalizations.of(context).shrineDescription,
          asset: 'assets/studies/shrine_card.png',
          assetDark: 'assets/studies/shrine_card_dark.png',
  
negative.code:       return Scaffold(
          body: ListView(
            padding: EdgeInsetsDirectional.only(
              top: isDesktop ? firstHeaderDesktopTopPadding : 21,
            ),
            children: [
              Padding(
                padding: const EdgeInsets.symmetric(
                  horizontal: _horizontalDesktopPadding,
                ),
                child: ExcludeSemantics(child: _GalleryHeader()),
              ),
  
              /// TODO: When Focus widget becomes better remove dummy Focus
              /// variable.
  