A button that looks like it belongs in Notification Center

NCButton.m

_myNCButton = [UIButton buttonWithType:UIButtonTypeCustom];
[_myNCButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
[_myNCButton setBackgroundColor:[UIColor whiteColor]];
[_myNCButton setTitle:@"My Button Title" forState:UIControlStateNormal];
[_myNCButton.titleLabel setFont:[UIFont systemFontOfSize:13]];
_myNCButton.layer.cornerRadius = 4;

UIVibrancyEffect *vibrancyEffect = [UIVibrancyEffect notificationCenterVibrancyEffect];
_vibrancyEffectView = [[UIVisualEffectView alloc] initWithEffect:vibrancyEffect];
[[_vibrancyEffectView contentView] addSubview:_myNCButton];