updated to defaults

Source/MaterialButton.swift

@@ -45,7 +45,7 @@ public class MaterialButton : UIButton {
 	*/
 	public var y: CGFloat! {
 		didSet {
-			layer.bounds.origin = CGPointMake(x, y)
+			layer.bounds.origin.y = y
 		}
 	}
 	

Source/MaterialTheme.swift

@@ -38,7 +38,7 @@ public extension MaterialTheme.view {
 	
 	// shadow
 	public static let shadowDepth: MaterialShadow = .Depth0
-	public static let shadowColor: UIColor = MaterialColor.blueGrey.darken4
+	public static let shadowColor: UIColor = MaterialColor.black
 	
 	// shape
 	public static let masksToBounds: Bool = false

Source/MaterialView.swift

@@ -90,7 +90,7 @@ public class MaterialView: UIView {
 	*/
 	public var y: CGFloat! {
 		didSet {
-			layer.bounds.origin = CGPointMake(x, y)
+			layer.bounds.origin.y = y
 		}
 	}