 
         setupButtons(fontSizeButtons, inRow: fontSizeRow, action: #selector(changeFontSize))
 
+        view.addSubview(separatorLines[1])
+        makeSeparatorView(fromView: separatorLines[1], topConstraint: fontSizeRow)
+        
         // Theme row
 
         let themeRow = UIView()
         view.addSubview(themeRow)
 
         themeRow.snp.makeConstraints { (make) -> Void in
-            make.top.equalTo(fontSizeRow.snp.bottom)
+            make.top.equalTo(separatorLines[1].snp.bottom)
             make.left.right.equalTo(self.view)
             make.height.equalTo(ReaderModeStyleViewControllerUX.RowHeight)
         }
 
         themeButtons = [
             ThemeButton(theme: ReaderModeTheme.light),
-            ThemeButton(theme: ReaderModeTheme.dark),
-            ThemeButton(theme: ReaderModeTheme.sepia)
+            ThemeButton(theme: ReaderModeTheme.sepia),
+            ThemeButton(theme: ReaderModeTheme.dark)
         ]
 
         setupButtons(themeButtons, inRow: themeRow, action: #selector(changeTheme))
-
+        
+        view.addSubview(separatorLines[2])
+        makeSeparatorView(fromView: separatorLines[2], topConstraint: themeRow)
+        
         // Brightness row
 
-        let brightnessRow = UIView()
+        brightnessRow = UIView()
         view.addSubview(brightnessRow)
-        brightnessRow.backgroundColor = ReaderModeStyleViewControllerUX.BrightnessRowBackground
 
         brightnessRow.snp.makeConstraints { (make) -> Void in
-            make.top.equalTo(themeRow.snp.bottom)
+            make.top.equalTo(separatorLines[2].snp.bottom)
             make.left.right.equalTo(self.view)
             make.height.equalTo(ReaderModeStyleViewControllerUX.RowHeight)
         }

    convenience init(fontSizeAction: FontSizeAction) {
        self.init(frame: .zero)
        self.fontSizeAction = fontSizeAction

        setTitleColor(ReaderModeStyleViewControllerUX.FontSizeButtonTextColorEnabled, for: .normal)
        setTitleColor(ReaderModeStyleViewControllerUX.FontSizeButtonTextColorDisabled, for: .disabled)

        switch fontSizeAction {
        case .smaller:


        setupButtons(fontTypeButtons, inRow: fontTypeRow, action: #selector(changeFontType))

        view.addSubview(separatorLines[0])
        makeSeparatorView(fromView: separatorLines[0], topConstraint: fontTypeRow)
        
        // Font size row

        fontSizeRow = UIView()
        view.addSubview(fontSizeRow)

        fontSizeRow.snp.makeConstraints { (make) -> Void in
            make.top.equalTo(separatorLines[0].snp.bottom)
            make.left.right.equalTo(self.view)
            make.height.equalTo(ReaderModeStyleViewControllerUX.RowHeight)
        }
