Developer credits
Git commits in Moodle 3.9.3 by Hittesh Ahuja
commit 5a9058064633b99f2587dc11273bc992d92a18a2 Author: Hittesh Ahuja <hitteshahuja@gmail.com> Date: Fri, 25 Sep 2020 17:50:50 +0800 Tag: v3.9.3 MDL-65074 mod_quiz: Quiz navigation buttons shouldnt use btn-secondary