Git commits in Moodle 3.8.5 by Gareth Barnard

commit adca4fe5056660dd8b0d399c9fc6802be1f3aaf3
Author: Gareth Barnard <1058419+gjb2048@users.noreply.github.com>
Date:   Tue, 18 Aug 2020 02:38:11 +0800
Tag:    v3.8.5

MDL-69491 themes: No 'fontsize' setting in Boost causes unit conflict.