shadowLg method

Implementation

ContainerBuilder shadowLg() => boxShadow([
  BoxShadow(
    color: Colors.black.withValues(alpha: 0.1),
    blurRadius: 15,
    offset: const Offset(0, 10),
    spreadRadius: -3,
  ),
  BoxShadow(
    color: Colors.black.withValues(alpha: 0.05),
    blurRadius: 6,
    offset: const Offset(0, 4),
    spreadRadius: -2,
  ),
]);