{"json_modified": "2016-03-28T08:08:46.514098", "uuid": "0a4ba442-806d-4f45-a1a0-0adb2eceaa9d", "title": "Theme changes in Firefox 4", "url": "/en-US/docs/Mozilla/Add-ons/Themes/Obsolete/Theme_changes_in_Firefox_4", "tags": ["Firefox 4", "Themes"], "translations": [], "modified": "2016-01-22T15:36:31", "label": "Theme changes in Firefox 4", "localization_tags": [], "locale": "en-US", "id": 9158, "last_edit": "2016-01-22T15:36:27", "summary": "This article covers changes in Firefox 4 that affect theme developers.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "omni.jar", "title": "omni.jar"}, {"id": "Controlling_the_actual_icon_size_used_by_add-on_toolbar_buttons", "title": "Controlling the actual icon size used by add-on toolbar buttons"}, {"id": "Use_of_the_iconsize_attribute_on_toolbar_elements", "title": "Use of the iconsize attribute on toolbar elements"}, {"id": "Default_values_of_the_iconsize_attribute_on_browser_toolbars", "title": "Default values of the iconsize attribute on browser toolbars"}, {"id": "Overriding_the_default_values", "title": "Overriding the default values"}, {"id": "Examples", "title": "Examples"}, {"id": "Creating_a_theme_that_works_for_Firefox_4_on_Mac_OS_X", "title": "Creating a theme that works for Firefox 4 on Mac OS\u00a0X"}, {"id": "Improving_your_appearance_on_Windows", "title": "Improving your appearance on\u00a0Windows"}, {"id": "See_also", "title": "See also"}], "slug": "Mozilla/Add-ons/Themes/Obsolete/Theme_changes_in_Firefox_4", "review_tags": []}