    */
   @discardableResult
   func bottomRight(bottom: CGFloat = 0, right: CGFloat = 0) -> Layout {
-    return constraint(.bottomRight, constants: bottom, right)
+    return constraint(.bottomRight, constants: -bottom, -right)
   }
   
   /**

   */
  @discardableResult
  func edges(top: CGFloat = 0, left: CGFloat = 0, bottom: CGFloat = 0, right: CGFloat = 0) -> Layout {
    return constraint(.edges, constants: top, left, bottom, right)
  }
}


   */
  @discardableResult
  func topBottom(top: CGFloat = 0, bottom: CGFloat = 0) -> Layout {
    return constraint(.topBottom, constants: top, -bottom)
  }
  
  /**
