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

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

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