View Shadow and radius
lazy var containerView: UIView = {
let view = UIView()
view.translatesAutoresizingMaskIntoConstraints = false
view.backgroundColor = .white
view.layer.shadowColor = UIColor.gray.cgColor
view.layer.shadowRadius = 2
view.layer.shadowOpacity = 1
view.layer.shadowOffset = CGSize(width: 1, height: 1)
view.layer.cornerRadius = 8
view.layer.masksToBounds = false
return view
}()