diff --git a/Sources/Classes/SwipeMenuView.swift b/Sources/Classes/SwipeMenuView.swift
index bfa4b19..0b02784 100644
--- a/Sources/Classes/SwipeMenuView.swift
+++ b/Sources/Classes/SwipeMenuView.swift
@@ -26,6 +26,9 @@ public struct SwipeMenuViewOptions {
 
             /// ItemView font. Defaults to `14 pt as bold SystemFont`.
             public var font: UIFont = UIFont.boldSystemFont(ofSize: 14)
+            
+            /// ItemView selected font. Defaults to `14 pt as bold SystemFont`.
+            public var selectedFont: UIFont = UIFont.boldSystemFont(ofSize: 14)
 
             /// ItemView clipsToBounds. Defaults to `true`.
             public var clipsToBounds: Bool = true
diff --git a/Sources/Classes/TabItemView.swift b/Sources/Classes/TabItemView.swift
index 4b7d1ff..e7bb9de 100644
--- a/Sources/Classes/TabItemView.swift
+++ b/Sources/Classes/TabItemView.swift
@@ -6,13 +6,18 @@ final class TabItemView: UIView {
 
     public var textColor: UIColor = UIColor(red: 140/255, green: 140/255, blue: 140/255, alpha: 1.0)
     public var selectedTextColor: UIColor = .white
+    public var selectedFont: UIFont = UIFont.boldSystemFont(ofSize: 14)
+    public var font: UIFont = UIFont.boldSystemFont(ofSize: 14)
+    
 
     public var isSelected: Bool = false {
         didSet {
             if isSelected {
                 titleLabel.textColor = selectedTextColor
+                titleLabel.font = selectedFont
             } else {
                 titleLabel.textColor = textColor
+                titleLabel.font = font
             }
         }
     }
@@ -34,7 +39,7 @@ final class TabItemView: UIView {
     private func setupLabel() {
         titleLabel = UILabel(frame: bounds)
         titleLabel.textAlignment = .center
-        titleLabel.font = UIFont.boldSystemFont(ofSize: 14)
+        titleLabel.font = font
         titleLabel.textColor = UIColor(red: 140/255, green: 140/255, blue: 140/255, alpha: 1.0)
         titleLabel.backgroundColor = UIColor.clear
         addSubview(titleLabel)
diff --git a/Sources/Classes/TabView.swift b/Sources/Classes/TabView.swift
index 8b20a6e..8e298b6 100644
--- a/Sources/Classes/TabView.swift
+++ b/Sources/Classes/TabView.swift
@@ -219,6 +219,7 @@ open class TabView: UIScrollView {
                 tabItemView.titleLabel.font = options.itemView.font
                 tabItemView.textColor = options.itemView.textColor
                 tabItemView.selectedTextColor = options.itemView.selectedTextColor
+                tabItemView.selectedFont = options.itemView.selectedFont
             }
 
             tabItemView.isSelected = index == currentIndex
@@ -422,9 +423,16 @@ extension TabView {
         } else {
             adjustCellWidth = (frame.width - options.margin * 2) / CGFloat(dataSource.numberOfItems(in: self)) - options.additionView.padding.horizontal
         }
-
-        additionView.frame.origin.x = adjustCellWidth * CGFloat(index) - options.additionView.padding.left
-        additionView.frame.size.width = adjustCellWidth
+        
+        if options.addition == .underline {
+            let itemWidth = adjustCellWidth + options.additionView.padding.horizontal
+            let startX = (itemWidth * CGFloat(index))
+            additionView.frame.origin.x = startX + options.additionView.padding.left
+            additionView.frame.size.width = adjustCellWidth
+        } else {
+            additionView.frame.origin.x = adjustCellWidth * CGFloat(index) - options.additionView.padding.left
+            additionView.frame.size.width = adjustCellWidth
+        }
     }
 
     fileprivate func animateAdditionView(index: Int, animated: Bool, completion: ((Bool) -> Swift.Void)? = nil) {