compact2, compact3
org.w3c.dom.css

## Interface CSSUnknownRule

- All Superinterfaces:
    CSSRule

      public interface CSSUnknownRule
      extends CSSRule

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

  See also the Document Object Model (DOM) Level 2 Style Specification.

  Since:
    DOM Level 2

- - ### Field Summary

    - ### Fields inherited from interface org.w3c.dom.css.CSSRule

      `CHARSET_RULE, FONT_FACE_RULE, IMPORT_RULE, MEDIA_RULE, PAGE_RULE, STYLE_RULE, UNKNOWN_RULE`

  - ### Method Summary

    - ### Methods inherited from interface org.w3c.dom.css.CSSRule

      `getCssText, getParentRule, getParentStyleSheet, getType, setCssText`

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