## ICSSUnknownRule interface

The CSSUnknownRule interface represents an at-rule not supported by this user agent.

See also the [Document Object Model (DOM) Level 2 Style Specification](https://www.w3.org/TR/2000/REC-DOM-Level-2-Style-20001113/).

```java
public interface ICSSUnknownRule : ICSSRule
```

### See Also

* interface [ICSSRule](../icssrule/)
* package [com.aspose.html.dom.css](../../com.aspose.html.dom.css/)
* package [Aspose.HTML](../../)