 import UIKit
 
 public class Screen: NSObject {
-    struct Height {
+    public struct Height {
         public static let statusBar: CGFloat = 20
         public static let navigationBar: CGFloat = 44
         public static let tabBar: CGFloat  = 49

        public static let padPro = CGSize(width: 1024, height: 1366) // @2x: 2048 x 2732
    }
    
    struct DesignPortraitWidth {
        public static var phone = DevicePortraitSize.phone6.width
        public static var pad = DevicePortraitSize.pad.width
        public static var universal = DevicePortraitSize.pad.width

        }
    }
    
    public struct DevicePortraitSize {
        public static let phone4 = CGSize(width: 320, height: 480) // @2x:  640 x  960
        public static let phone5 = CGSize(width: 320, height: 568) // @2x:  640 x 1136
        public static let phone6 = CGSize(width: 375, height: 667) // @2x:  750 x 1334
