func viewShadow(viewElement: UIView) {
        viewElement.layer.shadowColor = UIColor.black.cgColor
        viewElement.layer.shadowOffset = .zero
        viewElement.layer.shadowOpacity = 0.5
        viewElement.layer.shadowRadius = 10.0
        viewElement.layer.shadowPath = UIBezierPath(rect: viewElement.bounds).cgPath
        viewElement.layer.shouldRasterize = true
        viewElement.clipsToBounds = false
        viewElement.layer.rasterizationScale = UIScreen.main.scale
    }