         
         NSLayoutConstraint.bottomToBottom(
             view:buttonReset,
-            toView:self,
-            constant:kButtonBottom)
+            toView:self)
         NSLayoutConstraint.height(
             view:buttonReset,
-            constant:kButtonWidth)
+            constant:kButtonResetHeight)
         NSLayoutConstraint.equalsHorizontal(
             view:buttonReset,
             toView:buttonDone)

        buttonDone.translatesAutoresizingMaskIntoConstraints = false
        buttonDone.clipsToBounds = true
        buttonDone.backgroundColor = UIColor.genericLight
        buttonDone.layer.cornerRadius = kButtonHeight / 2.0
        buttonDone.setTitleColor(
            UIColor.white,
            for:UIControlState.normal)

    private weak var layoutDoneLeft:NSLayoutConstraint!
    private var totalHeight:CGFloat
    private var minPercent:CGFloat
    private let kButtonDoneHeight:CGFloat = 35
    private let kButtonResetHeight:CGFloat = 50
    private let kButtonWidth:CGFloat = 120
    private let kSliderTop:CGFloat = 90
    private let kSliderBottom:CGFloat = -40
    private let kMinAcceptedSize:CGFloat = 50
    
    override init(controller:CController)
