         base.translatesAutoresizingMaskIntoConstraints = false
         base.clipsToBounds = true
         base.layer.borderWidth = 1
-        base.layer.borderColor = UIColor(white:0, alpha:0.4).CGColor
+        base.layer.borderColor = UIColor(white:0, alpha:0.1).CGColor
         base.layer.cornerRadius = kCornerRadius
         
         blur.addSubview(visualEffect)

            metrics:metrics,
            views:views))
        addConstraints(NSLayoutConstraint.constraintsWithVisualFormat(
            "V:|-(baseMargin)-[base]-(baseMargin)-|",
            options:[],
            metrics:metrics,
            views:views))

            metrics:metrics,
            views:views))
        addConstraints(NSLayoutConstraint.constraintsWithVisualFormat(
            "H:|-(baseMarginHorizontal)-[base]-(baseMarginHorizontal)-|",
            options:[],
            metrics:metrics,
            views:views))
