     let anim                 = CABasicAnimation(keyPath: "transform.scale")
     anim.duration            = 0.2
     anim.removedOnCompletion = false
+    anim.fillMode            = kCAFillModeForwards
     anim.toValue             = 1
     anim.timingFunction      = CAMediaTimingFunction(name: kCAMediaTimingFunctionDefault)
 
-    layer.addAnimation(anim, forKey: "scaleup")
+    layer.addAnimation(anim, forKey: "scaledown")
   }
 }
    let anim                 = CABasicAnimation(keyPath: "transform.scale")
    anim.duration            = 0.2
    anim.removedOnCompletion = false
    anim.toValue             = 1.2
    anim.timingFunction      = CAMediaTimingFunction(name: kCAMediaTimingFunctionDefault)


      for config in configurations {
        let anim                 = CABasicAnimation(keyPath: config.keyPath)
        anim.removedOnCompletion = false
        anim.fillMode            = kCAFillModeForwards
        anim.duration            = 0.2
        anim.fromValue           = config.oldValue
        anim.toValue             = config.newValue
        anim.timingFunction      = CAMediaTimingFunction(name: kCAMediaTimingFunctionDefault)

        config.layer.addAnimation(anim, forKey: config.key)
      }
    }

