Snippet for reflection.app mobile bottom nav bar

bottom_nav_bar.dart

 ClipRRect(
      child: BackdropFilter(
        filter: ImageFilter.blur(sigmaX: 2, sigmaY: 2),
        child: Container(
          height: 88,
          alignment: Alignment.topCenter,
          decoration: BoxDecoration(
            gradient: LinearGradient(
              begin: Alignment.topCenter,
              end: Alignment.bottomCenter,
              colors: [
                theme.colorScheme.background.withOpacity(0),
                theme.colorScheme.background.withOpacity(0),
                theme.colorScheme.background.withOpacity(0.3),
              ],
            ),
          ),
          child: child,
         ),
        ),