Swift
label1.layer.shadowOffset = CGSize(width: 3, height: 3)
label1.layer.shadowOpacity = 0.7
label1.layer.shadowRadius = 2
Swift 3
label1.layer.shadowOffset = CGSize(width: 3, height: 3)
label1.layer.shadowOpacity = 0.7
label1.layer.shadowRadius = 2
Objective-C
label1.layer.shadowOffset = CGSizeMake(3, 3);
label1.layer.shadowOpacity = 0.7;
label1.layer.shadowRadius = 2;