## parent_rule property


The CSS rule that contains this declaration block or null if this CSSStyleDeclaration is not attached to a CSSRule.
### Definition:
```python
@property
def parent_rule(self):
    ...
```

### See Also
* module [`aspose.svg.dom.css`](../../)
* class [`ICSSRule`](/svg/python-net/aspose.svg.dom.css/icssrule)
* class [`ICSSStyleDeclaration`](/svg/python-net/aspose.svg.dom.css/icssstyledeclaration)