Developer credits
Git commits in Moodle 3.8.x by Hittesh Ahuja
commit e01066d67cb9a17948127a5556f65aacb9a6a5d2 Author: Hittesh Ahuja <hitteshahuja@gmail.com> Date: Fri, 25 Sep 2020 17:50:50 +0800 Tag: v3.8.6 MDL-65074 mod_quiz: Quiz navigation buttons shouldnt use btn-secondary