diff --git a/Example/UINavigationBarDecorator/Base.lproj/Main.storyboard b/Example/UINavigationBarDecorator/Base.lproj/Main.storyboard
index dd5b40c..8fa7be7 100644
--- a/Example/UINavigationBarDecorator/Base.lproj/Main.storyboard
+++ b/Example/UINavigationBarDecorator/Base.lproj/Main.storyboard
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="17156" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="wTQ-u1-zmb">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="18122" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="wTQ-u1-zmb">
     <device id="retina4_7" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="17126"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="18093"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
@@ -38,7 +38,7 @@
                                 <real key="value" value="50"/>
                             </userDefinedRuntimeAttribute>
                             <userDefinedRuntimeAttribute type="number" keyPath="contentInsetBottom">
-                                <real key="value" value="50"/>
+                                <real key="value" value="20"/>
                             </userDefinedRuntimeAttribute>
                         </userDefinedRuntimeAttributes>
                     </navigationBar>
diff --git a/README.md b/README.md
index f7c060c..03c01e8 100644
--- a/README.md
+++ b/README.md
@@ -189,7 +189,7 @@ $ brew install carthage
 To integrate Alamofire into your Xcode project using Carthage, specify it in your `Cartfile`:
 
 ```ogdl
-github "pisces/UINavigationBarDecorator" ~> 1.0.6
+github "pisces/UINavigationBarDecorator" ~> 1.0.8
 ```
 
 Run `carthage update` to build the framework and drag the built `UINavigationBarDecorator.framework` into your Xcode project.
diff --git a/UINavigationBarDecorator.podspec b/UINavigationBarDecorator.podspec
index 34533a2..c2e26f3 100644
--- a/UINavigationBarDecorator.podspec
+++ b/UINavigationBarDecorator.podspec
@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = 'UINavigationBarDecorator'
-  s.version          = '1.0.7'
+  s.version          = '1.0.8'
   s.summary          = 'Compatible UINavigationBarAppearance'
   s.description      = 'Compatible UINavigationBarAppearance for all iOS versions'
   s.homepage         = 'https://github.com/pisces/UINavigationBarDecorator'
diff --git a/UINavigationBarDecorator/Classes/AdvancedNavigationBar.swift b/UINavigationBarDecorator/Classes/AdvancedNavigationBar.swift
index 843f17d..d94feeb 100644
--- a/UINavigationBarDecorator/Classes/AdvancedNavigationBar.swift
+++ b/UINavigationBarDecorator/Classes/AdvancedNavigationBar.swift
@@ -34,7 +34,36 @@ import UIKit
 
 open class AdvancedNavigationBar: UINavigationBar {
     
-    // MARK: - Variables (Inspectables)
+    // MARK: - Lifecycle
+    
+    public override init(frame: CGRect) {
+        super.init(frame: frame)
+        initProperties()
+        sizeToFit()
+    }
+    
+    public required init?(coder: NSCoder) {
+        super.init(coder: coder)
+        initProperties()
+    }
+    
+    open override func layoutSubviews() {
+        super.layoutSubviews()
+        subviews.forEach {
+            $0.frame = frame(of: $0)
+            $0.sizeToFit()
+        }
+    }
+    
+    open override func sizeThatFits(_ size: CGSize) -> CGSize {
+        .init(width: size.width, height: navigationBarHeight)
+    }
+    
+    // MARK: - Open
+    
+    open func initProperties() { }
+    
+    // MARK: - Public
     
     @IBInspectable
     public var contentInsetLeft: CGFloat {
@@ -76,63 +105,38 @@ open class AdvancedNavigationBar: UINavigationBar {
             setNeedsLayout()
         }
     }
-    
-    // MARK: - Variables (Input)
-    
+    public var barHeight: CGFloat {
+        Const.defaultBarHeight + contentInsets.top + contentInsets.bottom
+    }
+    public var navigationBarHeight: CGFloat {
+        UIApplication.shared.statusBarFrame.height + barHeight
+    }
     public var contentInsets: UIEdgeInsets = .zero {
         didSet {
             setNeedsLayout()
         }
     }
     
-    // MARK: - Variables
-    
-    public var navigationBarHeight: CGFloat {
-        44 + contentInsets.top + contentInsets.bottom
-    }
-    
-    // MARK: - Constructors
-    
-    public override init(frame: CGRect) {
-        super.init(frame: frame)
-        initProperties()
-        sizeToFit()
-    }
+    // MARK: - Private
     
-    public required init?(coder: NSCoder) {
-        super.init(coder: coder)
-        initProperties()
+    private struct Const {
+        static let defaultBarHeight: CGFloat = 44
+        static let backgroundViewName = "UIBarBackground"
+        static let contentViewName = "UINavigationBarContentView"
     }
-    
-    // MARK: - Overridden: UINavigationBar
-    
-    open override func layoutSubviews() {
-        super.layoutSubviews()
-        subviews.forEach {
-            $0.frame = frame(of: $0)
-            $0.sizeToFit()
-        }
-    }
-    
-    open override func sizeThatFits(_ size: CGSize) -> CGSize {
-        .init(width: size.width, height: navigationBarHeight)
-    }
-    
-    // MARK: - Functions
-    
-    open func initProperties() { }
 }
 
 extension AdvancedNavigationBar {
+    
     private func frame(of subview: UIView) -> CGRect {
         let name = NSStringFromClass(subview.classForCoder)
-        if name.contains("UIBarBackground") {
-            return CGRect(x: 0, y: 0, width: bounds.width, height: navigationBarHeight)
+        if name.contains(Const.backgroundViewName) {
+            return CGRect(x: 0, y: -UIApplication.shared.statusBarFrame.height, width: bounds.width, height: navigationBarHeight)
         }
-        if name.contains("UINavigationBarContentView") {
+        if name.contains(Const.contentViewName) {
             return CGRect(
                 x: contentInsets.left,
-                y: (44 - subview.bounds.height) / 2 + contentInsets.top,
+                y: (Const.defaultBarHeight - subview.bounds.height) / 2 + contentInsets.top,
                 width: bounds.width - contentInsets.left - contentInsets.right,
                 height: subview.bounds.height)
         }
diff --git a/UINavigationBarDecorator/Classes/PageSheetNavigationBar.swift b/UINavigationBarDecorator/Classes/PageSheetNavigationBar.swift
index 5aff595..5c7bcfe 100644
--- a/UINavigationBarDecorator/Classes/PageSheetNavigationBar.swift
+++ b/UINavigationBarDecorator/Classes/PageSheetNavigationBar.swift
@@ -34,7 +34,21 @@ import UIKit
 
 open class PageSheetNavigationBar: AdvancedNavigationBar {
     
-    // MARK: - Variables (Inspectables)
+    // MARK: - Lifecycle
+    
+    open override func layoutSubviews() {
+        super.layoutSubviews()
+        thumbLayer.frame.origin = .init(
+            x: (bounds.width - thumbLayer.bounds.width) / 2,
+            y: (contentInsets.top - thumbLayer.bounds.height) / 2)
+    }
+    
+    open override func initProperties() {
+        layer.addSublayer(thumbLayer)
+        contentInsetTop = 24
+    }
+    
+    // MARK: - Public
     
     @IBInspectable
     public var thumbHeight: CGFloat {
@@ -67,7 +81,7 @@ open class PageSheetNavigationBar: AdvancedNavigationBar {
         }
     }
     
-    // MARK: - Variables
+    // MARK: - Private
     
     private lazy var thumbLayer: CALayer = {
         let layer = CALayer()
@@ -76,18 +90,4 @@ open class PageSheetNavigationBar: AdvancedNavigationBar {
         layer.frame.size = .init(width: 44, height: 4)
         return layer
     }()
-    
-    // MARK: - Overridden: ABCNavigationBar
-    
-    open override func layoutSubviews() {
-        super.layoutSubviews()
-        thumbLayer.frame.origin = .init(
-            x: (bounds.width - thumbLayer.bounds.width) / 2,
-            y: (contentInsets.top - thumbLayer.bounds.height) / 2)
-    }
-    
-    open override func initProperties() {
-        layer.addSublayer(thumbLayer)
-        contentInsetTop = 24
-    }
 }