{"json_modified": "2016-03-28T08:19:50.182274", "uuid": "3778cec6-4a53-48b2-aac2-f4bc18d43edc", "title": "Mozilla Style System", "url": "/en-US/docs/Mozilla/Mozilla_style_system", "tags": ["CSS", "Gecko", "Developing Mozilla"], "translations": [], "modified": "2016-02-29T11:20:53", "label": "Mozilla Style System", "localization_tags": [], "locale": "en-US", "id": 36838, "last_edit": "2007-11-05T04:31:20", "summary": "The Style System is the module of Mozilla's code responsible for the loading and parsing of <a href=\"en/CSS\">CSS</a> style sheets, and the computation of <a href=\"en/CSS/computed_value\">computed values</a> for all CSS properties. The handling of those computed values is the responsibility of other parts of the code.", "sections": [{"id": "Architecture", "title": " Architecture "}, {"id": "Computed_style_.28front_end.29", "title": " Computed style (front end) "}, {"id": "Style_structs", "title": " Style structs "}, {"id": "Rule_tree", "title": " Rule tree "}, {"id": "Style_data_computation", "title": " Style data computation "}, {"id": "CSS_style_sheet_backend", "title": " CSS style sheet backend "}, {"id": "Loading", "title": " Loading "}, {"id": "Parsing", "title": " Parsing "}, {"id": "Data_structures", "title": " Data structures "}, {"id": "Cascading", "title": " Cascading "}, {"id": "HTML_Mapped_Attribute_backend", "title": " HTML Mapped Attribute backend "}, {"id": "CSS_style_attribute_backend", "title": " CSS style attribute backend "}, {"id": "Handling_of_dynamic_changes", "title": " Handling of dynamic changes "}, {"id": "See_Also", "title": " See Also "}], "slug": "Mozilla/Mozilla_style_system", "review_tags": []}