         let border:UIView = UIView()
         border.isUserInteractionEnabled = false
         border.translatesAutoresizingMaskIntoConstraints = false
-        border.backgroundColor = UIColor.bubbleMine()
+        border.backgroundColor = UIColor.black
         
         let imageView:UIImageView = UIImageView()
         imageView.contentMode = controller.model.displayOption.contentMode

                layoutBorderHeight.constant = newBorderHeight
            }
            
            UIView.animate(withDuration:kAnimationDuration)
            { [weak self] in
                
                self?.superview?.layoutIfNeeded()
            }
        }
    }

        if imageView.image == nil
        {
            newHeight = kMinHeight
            newBorderHeight = 0
        }
        else
        {
