ClassicFox
ClassicFox fixes the appearance of the default Firefox/Thunderbird theme in Windows Classic. Specifically, it restores menus to the classic style, and it restores the missing bevels (outlines) on toolbar buttons that have dropmarkers.(Technical note: This extension is essentially a userChrome.css packaged into an extension format because, for some people, installing an extension is easier than locating and editing userChrome.css. For people who prefer to use userChrome.css, a copy of the CSS overrides used by this extension is available for download from the extension's homepage.)
Supported
versions: Firefox 1.5 - 2.0.0.* Windows Thunderbird 2.0a1 - 2.0b1 Windows
Notes / Comments: 2006/11/06 - 1.0.3* Added support for the Thunderbird 2 branch.
Categories: Miscellaneous

Before and after: dropmarker and menu:

Before and after: dropmarker and menu bar:

ClassicFox:
