LinearGradient(gradient: Gradient(colors: [.red, .blue]), startPoint: .top, endPoint: .bottom) }
RadialGradient(gradient: Gradient(colors: [.blue, .black]), center: .center, startRadius: 20, endRadius: 200)
AngularGradient(gradient: Gradient(colors: [.red, .yellow, .green, .blue, .purple, .red]), center: .center)