## parent_rule property


If this rule is contained inside another rule (e.g. a style rule inside an @media block), this is the containing rule. If this rule is not nested inside any other rules, this returns null.

### See Also
* module [`aspose.svg.dom.css`](../../)
* class [`ICSSStyleRule`](/svg/python-net/aspose.svg.dom.css/icssstylerule)