@override
  Widget build(BuildContext context) {
    return Scaffold(
      body: ScaledList(
        itemCount: Data.categories.length,
        itemColor: (index) {
          return kMixedColors[index % kMixedColors.length];
        },
        itemBuilder: (index, selectedIndex) {
          final category = Data.categories[index];
          return Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Container(
                height: selectedIndex == index
                    ? 100
                    : 80,
                child: Image.asset(category.image),
              ),
              SizedBox(height: 15),
              Text(
                category.name,
                style: TextStyle(
                    color: Colors.white,
                    fontSize: selectedIndex == index
                        ? 25
                        : 20),
              )
            ],
          );
        },
      ),
    );
  }