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KDEFF Firefox:2.0–2.0.0.* add-on



KDEFF 0.4 facilities

Vendor`s Web
jeroenvrp webshot
OSWindows 2000, Windows XP, Windows Vista, Windows 7, Mac OS, Linux
Limitationsnot specified
Actualizedmore than year ago
SnapshotKDEFF snapshot
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KDEFF manufacturer description

KDE 3.5.* Crystal theme for Firefox 2.0+.

UPDATE: This theme will not be updated for Firefox 3, because Fx3 has a much better integration. You can also try the new Firefox 3 Oxygen theme:

Original description:

Primary designed for KDE (Linux). Works without problems on other platforms/desktops. It will also run on Windows XP, only a few minor issues are left to be resolved. Please DON'T rate this theme, when you experience these issues on Windows. Also note the version number: it's still beta.


There are a few good attempts to integrate Firefox in KDE. One is Mozillux ( and one is Mostly Crystal (

There are a few things needed to integrate Firefox in KDE and they will properly happen when Firefox 3 and/or 4 will be released. Right now four issues can be resolved.

1. The skin/theme:

Although the already mentioned projects solve the color, style and icons in Firefox, the only thing needed is to fix the icons, because the "GTK Styles and fonts" solve the other issues when you use the default Firefox skin.

That's why I took the default Firefox2 skin and only changed the icons. You can install the theme below.

2. The buttons are reversed:

The MS Window version of Firefox have the same order of buttons than KDE, but because the Linux Firefox uses GTK/Gnome somehow, the buttons are reversed. Put these simple lines in the following file:


* Reverse buttons for use in KDE
.dialog-button-box { -moz-box-direction: reverse; -moz-box-pack: right; }
.dialog-button-box spacer { display: none !important; }

3. File dialogs:

People say this will be fixed in KDE4, meanwhile you can use KGtk: or use the howto on

Downloads can be fixed by the Flashgot extension (using KGet):

4. Up-button and clear URL-button:

Please install the small extension Konquefox from

Please enjoy!


*Black menu-issue in Windows XP is RESOLVED! Issues with the dialog icons (OK, cancel) are not yet resolved, but the theme should now be usable for XP users.
*Home icon slightly larger. Next release will focus on replacement of more icons.

*Go, search, tab and more icons
*Bookmark manager icons


*All small sized directly visible icons changed
*Packaged the theme for first public release


*All normal sized directly visible icons changed


Crystal = LGPL
Firefox = MPL, MPL/GPL/LGPL tri-license
My contributions = CCBY
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