// https://drafts.csswg.org/cssom/#the-cssrule-interface
[Exposed=Window]
interface CSSRule {

    attribute CSSOMString cssText;
    readonly attribute CSSRule? parentRule;
    readonly attribute CSSStyleSheet? parentStyleSheet;

    // the following attribute and constants are historical
    [ImplementedAs=type_for_bindings] readonly attribute unsigned short type;
    const unsigned short STYLE_RULE = 1;
    const unsigned short CHARSET_RULE = 2;
    const unsigned short IMPORT_RULE = 3;
    const unsigned short MEDIA_RULE = 4;
    const unsigned short FONT_FACE_RULE = 5;
    const unsigned short PAGE_RULE = 6;
    const unsigned short KEYFRAMES_RULE = 7;
    const unsigned short KEYFRAME_RULE = 8;
    const unsigned short MARGIN_RULE = 9;
    const unsigned short NAMESPACE_RULE = 10;
    const unsigned short COUNTER_STYLE_RULE = 11;
    const unsigned short SUPPORTS_RULE = 12;
    const unsigned short FONT_FEATURE_VALUES_RULE = 14;

};
