What did you do to cause this? Open Traq 2.3.4 in Firefox 13.0.
What page were you on? Any page.
What PHP and MySQL versions do you run? dev-lang/php-5.3.13 dev-db/mysql-5.1.62-r1
Describe the defect: The corners are not rounded in Firefox 13.0, due to recent CSS changes in said browser. -moz-border-radius is not longer supported. Instead there is border-radius property in CSS3.