             hideCenterButton(duration: 0.3)
           
             buttonsAnimationIsShow(isShow: false, duration: 0, delay: duration)
-            showCenterButton(duration: 0.3, delay: duration)
+            showCenterButton(duration: 0.525, delay: duration)
            
             if customNormalIconView != nil && customSelectedIconView != nil {
                 let dispatchTime: dispatch_time_t = dispatch_time(

            }, completion: { (success) -> Void in
        })
        
        let rotation = Init(CABasicAnimation(keyPath: "transform.rotation")) {
            $0.duration       = NSTimeInterval(duration)
            $0.toValue        = (0)
            $0.fromValue      = (Float(-180).degrees)
            $0.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseOut)
            $0.beginTime = CACurrentMediaTime() + delay
        }
        let fade = Init(CABasicAnimation(keyPath: "opacity")) {

        UIView.animateWithDuration(
            NSTimeInterval(duration),
            delay: NSTimeInterval(delay),
            usingSpringWithDamping: 0.78,
            initialSpringVelocity: 0,
            options: UIViewAnimationOptions.CurveLinear,
            animations: { () -> Void in
                self.transform = CGAffineTransformMakeScale(1, 1)
