CSSRule: { CHARSET_RULE: 2; COUNTER_STYLE_RULE: 11; FONT_FACE_RULE: 5; FONT_FEATURE_VALUES_RULE: 14; IMPORT_RULE: 3; KEYFRAMES_RULE: 7; KEYFRAME_RULE: 8; MEDIA_RULE: 4; NAMESPACE_RULE: 10; PAGE_RULE: 6; STYLE_RULE: 1; SUPPORTS_RULE: 12; prototype: CSSRule; new (): CSSRule; }