Comment 20 for bug 195929

Ubuntu release: Hardy (fresh install from Alpha5 desktop cd, all updates as of February 26th)
System: Dell Inspiron 510m laptop
Graphics subsystem: VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)

Rounded GTK+ buttons are rendered with a rectangular white outline, most noticeable in the new Firefox 3.0 Beta 3 release when browsing Gmail (not not limited to this site). I am attaching two small screenshots; one of the "Archive" button while using the "Ubuntulooks" theme, and the same button while using "Clearlooks". You may need to zoom the images as I cropped them in order to avoid personal information being exposed.

Steps to reproduce:
1. Ensure Ubuntulooks theme is active
2. Open Firefox 3, navigate to http://mail.google.com and log in to your account
3. Observe the "Archive" and "Report spam" buttons against the blue background.
4. Change to any other theme installed by default in Ubuntu, and repeat steps 2-3.

Expected results: Buttons have no noticeable outline, or else a thin white outline, rounded at the edges for rounded buttons.

Actual results:
1. For Ubuntulooks theme: Buttons have a white rectangular outline, creating noticeable white marks at the edges of rounded buttons.
2. For all other themes installed by default: results are as expected (above)

Note: This is most likely not a Firefox 3 or core GTK+ bug, as all other themes besides Ubuntulooks work as expected.