highlighting.swift

override var isHighlighted: Bool {
    didSet {
        if isHighlighted {
            UIView.animate(withDuration: 0.2, delay: 0, options: .curveEaseOut, animations: {
                self.transform = CGAffineTransform(scaleX: 0.95, y: 0.95)
            }, completion: nil)
        } else {
            UIView.animate(withDuration: 0.2, delay: 0, options: .curveEaseOut, animations: {
                self.transform = CGAffineTransform(scaleX: 1, y: 1)
            }, completion: nil)
        }
    }
}