internal CSSBackgroundProperty()
     : base(PropertyNames.Background)
 {
     _image = new CSSBackgroundImageProperty();
     _position = new CSSBackgroundPositionProperty();
     _size = new CSSBackgroundSizeProperty();
     _repeat = new CSSBackgroundRepeatProperty();
     _attachment = new CSSBackgroundAttachmentProperty();
     _origin = new CSSBackgroundOriginProperty();
     _clip = new CSSBackgroundClipProperty();
     _color = new CSSBackgroundColorProperty();
     _inherited = false;
 }
 internal CSSBackgroundProperty()
     : base(PropertyNames.Background)
 {
     _image      = new CSSBackgroundImageProperty();
     _position   = new CSSBackgroundPositionProperty();
     _size       = new CSSBackgroundSizeProperty();
     _repeat     = new CSSBackgroundRepeatProperty();
     _attachment = new CSSBackgroundAttachmentProperty();
     _origin     = new CSSBackgroundOriginProperty();
     _clip       = new CSSBackgroundClipProperty();
     _color      = new CSSBackgroundColorProperty();
     _inherited  = false;
 }