## ICSSUnknownRule interface

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

```csharp
public interface ICSSUnknownRule : ICSSRule
```

### See Also

* interface [ICSSRule](../icssrule/)
* namespace [Aspose.Html.Dom.Css](../../aspose.html.dom.css/)
* assembly [Aspose.HTML](../../)