         self.snp.makeConstraints { (maker) in
             maker.top.equalTo(self.appearance.marginTop)
             maker.leading.equalTo(self.appearance.marginLeft)
-            maker.trailing.equalTo(self.appearance.marginRight)
+            maker.trailing.equalTo(-self.appearance.marginRight)
             maker.height.equalTo(self.appearance.sizeHeigth())
         }
     }

        _layoutLabelMessage()
        _layoutLabelTime()
        _layoutImageThumb()
    }
    fileprivate func _layoutBackground() {
        

    static let defaultAppearance = HDNotificationAppearance()
    
    /// Margin
    let marginTop: CGFloat      = 28.0
    let marginLeft: CGFloat     = 8.0
    let marginRight: CGFloat    = 8.0
    
    /// Size
    func sizeHeigth() -> CGFloat {
