in QuizDemo/QuizDemo/Custom/UIView.swift [4:14]
func applyGradientBackground() {
let gradient: CAGradientLayer = CAGradientLayer()
let blue = UIColor(red:0.14, green:0.18, blue:0.24, alpha: 1).cgColor
let red = UIColor(red:0.37, green:0.22, blue:0.25, alpha: 1).cgColor
gradient.colors = [blue, blue, blue, red]
gradient.locations = [0, 0.4, 0.8, 1]
gradient.startPoint = CGPoint(x: 0, y: 0)
gradient.endPoint = CGPoint(x: 0, y: 1)
gradient.frame = CGRect(x: 0, y: 0, width: self.frame.size.width, height: self.frame.size.height)
self.layer.insertSublayer(gradient, at: 0)
}