             if let subtitle = subtitleLabel {
                 subtitle.text = subtitleText
                 subtitle.font = UIFont(name: defaultTitleFont.familyName, size: defaultTitleFont.pointSize * 0.8)
-                subtitle.textColor = UIColor.white()
+                subtitle.textColor = UIColor.white
                 subtitle.numberOfLines = 0
                 subtitle.textAlignment = .center
                 subtitle.lineBreakMode = .byWordWrapping

    //
    private static weak var customSuperview: UIView? = nil
    private static func containerView() -> UIView? {
        return customSuperview ?? UIApplication.shared().keyWindow
    }
    public class func useContainerView(_ sv: UIView?) {
        customSuperview = sv

    func delay(_ seconds: Double, completion:()->()) {
        let popTime = DispatchTime.now() + Double(Int64( Double(NSEC_PER_SEC) * seconds )) / Double(NSEC_PER_SEC)
        
        DispatchQueue.main.asyncAfter(deadline: popTime) {
            completion()
        }
    }
