Tim, help me. Animating with Objective-C

ViewController.m

-(void)animateButton:(UIButton *)sender
{
    CGRect originalFrame = sender.frame;
    CGRect newFrame = CGRectMake(originalFrame.origin.x - 3, originalFrame.origin.y - 3, originalFrame.size.width + 6, originalFrame.size.height + 6);
    
    [UIView animateWithDuration:0.4 delay:0 options:(UIViewAnimationOptionAutoreverse)
                     animations:^{
                         sender.frame = newFrame;
                     }
                     completion:^(BOOL finished){
                         sender.frame = originalFrame;
                     }];
}