fix header back button size

@@ -13,9 +13,9 @@ extension UIViewController {
         
         let backButton = UIButton(type: UIButton.ButtonType.custom) as UIButton
         if (icon == "ic_close") {
-            backButton.frame = CGRect(x: 0, y: 0, width: uiscreen.height * 0.025, height: uiscreen.height * 0.025)
+            backButton.frame = CGRect(x: 0, y: 0, width: uiscreen.height * 0.035, height: uiscreen.height * 0.035)
         } else {
-            backButton.frame = CGRect(x: 0, y: 0, width: uiscreen.height * 0.025, height: uiscreen.height * 0.02)
+            backButton.frame = CGRect(x: 0, y: 0, width: uiscreen.height * 0.035, height: uiscreen.height * 0.03)
         }
         backButton.imageView!.contentMode = .scaleAspectFit
         //backButton.setBackgroundImage(UIImage(named:Assets.Navigation.backButton), for: UIControlState())
@@ -27,12 +27,12 @@ extension UIViewController {
         backButton.translatesAutoresizingMaskIntoConstraints = false
         // Add width, height constraints
         if (icon == "ic_close") {
-            let widthContraints =  NSLayoutConstraint(item: backButton, attribute: NSLayoutConstraint.Attribute.width, relatedBy: NSLayoutConstraint.Relation.equal, toItem: nil, attribute: NSLayoutConstraint.Attribute.notAnAttribute, multiplier: 1, constant: uiscreen.height * 0.025)
-            let heightContraints = NSLayoutConstraint(item: backButton, attribute: NSLayoutConstraint.Attribute.height, relatedBy: NSLayoutConstraint.Relation.equal, toItem: nil, attribute: NSLayoutConstraint.Attribute.notAnAttribute, multiplier: 1, constant: uiscreen.height * 0.025)
+            let widthContraints =  NSLayoutConstraint(item: backButton, attribute: NSLayoutConstraint.Attribute.width, relatedBy: NSLayoutConstraint.Relation.equal, toItem: nil, attribute: NSLayoutConstraint.Attribute.notAnAttribute, multiplier: 1, constant: uiscreen.height * 0.035)
+            let heightContraints = NSLayoutConstraint(item: backButton, attribute: NSLayoutConstraint.Attribute.height, relatedBy: NSLayoutConstraint.Relation.equal, toItem: nil, attribute: NSLayoutConstraint.Attribute.notAnAttribute, multiplier: 1, constant: uiscreen.height * 0.035)
             NSLayoutConstraint.activate([heightContraints,widthContraints])
         } else {
-            let widthContraints =  NSLayoutConstraint(item: backButton, attribute: NSLayoutConstraint.Attribute.width, relatedBy: NSLayoutConstraint.Relation.equal, toItem: nil, attribute: NSLayoutConstraint.Attribute.notAnAttribute, multiplier: 1, constant: uiscreen.height * 0.025)
-            let heightContraints = NSLayoutConstraint(item: backButton, attribute: NSLayoutConstraint.Attribute.height, relatedBy: NSLayoutConstraint.Relation.equal, toItem: nil, attribute: NSLayoutConstraint.Attribute.notAnAttribute, multiplier: 1, constant: uiscreen.height * 0.02)
+            let widthContraints =  NSLayoutConstraint(item: backButton, attribute: NSLayoutConstraint.Attribute.width, relatedBy: NSLayoutConstraint.Relation.equal, toItem: nil, attribute: NSLayoutConstraint.Attribute.notAnAttribute, multiplier: 1, constant: uiscreen.height * 0.035)
+            let heightContraints = NSLayoutConstraint(item: backButton, attribute: NSLayoutConstraint.Attribute.height, relatedBy: NSLayoutConstraint.Relation.equal, toItem: nil, attribute: NSLayoutConstraint.Attribute.notAnAttribute, multiplier: 1, constant: uiscreen.height * 0.03)
             NSLayoutConstraint.activate([heightContraints,widthContraints])
         }