diff --git a/AlphaWallet/UI/AddressTextField.swift b/AlphaWallet/UI/AddressTextField.swift
index 4e5317c22..6af9763be 100644
--- a/AlphaWallet/UI/AddressTextField.swift
+++ b/AlphaWallet/UI/AddressTextField.swift
@@ -241,7 +241,7 @@ class AddressTextField: UIControl {
     }
 
     private func makeTargetAddressRightView() -> UIView {
-        let scanQRCodeButton = Button(size: .normal, style: .borderless)
+        let scanQRCodeButton = Button(size: .normal, style: .system)
         scanQRCodeButton.translatesAutoresizingMaskIntoConstraints = false
         scanQRCodeButton.setImage(R.image.qr_code_icon(), for: .normal)
         scanQRCodeButton.addTarget(self, action: #selector(openReader), for: .touchUpInside)
@@ -253,7 +253,7 @@ class AddressTextField: UIControl {
         let targetAddressRightView = [scanQRCodeButton].asStackView(distribution: .fill)
         targetAddressRightView.clipsToBounds = false
         targetAddressRightView.layer.masksToBounds = false
-
+        targetAddressRightView.backgroundColor = .clear
         //As of iOS 13, we need to constrain the width of `rightView`
         let rightViewFittingSize = targetAddressRightView.systemLayoutSizeFitting(UIView.layoutFittingCompressedSize)
         NSLayoutConstraint.activate([
diff --git a/AlphaWallet/UI/Button.swift b/AlphaWallet/UI/Button.swift
index 4b3957812..6ab83d87b 100644
--- a/AlphaWallet/UI/Button.swift
+++ b/AlphaWallet/UI/Button.swift
@@ -24,11 +24,13 @@ enum ButtonStyle: Int {
     case squared
     case border
     case borderless
+    case system
 
     var backgroundColor: UIColor {
         switch self {
         case .solid, .squared: return Colors.appTint
         case .border, .borderless: return .white
+        case .system: return .clear
         }
     }
 
@@ -37,13 +39,14 @@ enum ButtonStyle: Int {
         case .solid, .squared: return Colors.appTint
         case .border: return Colors.appTint
         case .borderless: return .white
+        case .system: return .clear
         }
     }
 
     var cornerRadius: CGFloat {
         switch self {
         case .solid, .border: return 5
-        case .squared, .borderless: return 0
+        case .squared, .borderless, .system: return 0
         }
     }
 
@@ -52,7 +55,7 @@ enum ButtonStyle: Int {
         case .solid,
              .squared,
              .border,
-             .borderless:
+             .borderless, .system:
             return Fonts.semibold(size: 16)!
         }
     }
@@ -60,7 +63,7 @@ enum ButtonStyle: Int {
     var textColor: UIColor {
         switch self {
         case .solid, .squared: return Colors.appWhite
-        case .border, .borderless: return Colors.appTint
+        case .border, .borderless, .system: return Colors.appTint
         }
     }
 
@@ -68,20 +71,20 @@ enum ButtonStyle: Int {
         switch self {
         case .solid, .squared: return UIColor(white: 1, alpha: 0.8)
         case .border: return Colors.appWhite
-        case .borderless: return Colors.appTint
+        case .borderless, .system: return Colors.appTint
         }
     }
 
     var borderColor: UIColor {
         switch self {
         case .solid, .squared, .border: return GroupedTable.Color.background
-        case .borderless: return .clear
+        case .borderless, .system: return .clear
         }
     }
 
     var borderWidth: CGFloat {
         switch self {
-        case .solid, .squared, .borderless: return 0
+        case .solid, .squared, .borderless, .system: return 0
         case .border: return 1
         }
     }