Developer credits
Git commits in Moodle 3.5.3 by Kevin Wiliarty
commit 37e1f7dbd90769f99c774bc3fe35ea58469de9be Author: Kevin Wiliarty <kevin.wiliarty@gmail.com> Date: Wed, 07 Nov 2018 05:14:51 +0800 Tag: v3.5.3 MDL-63894 themes: adds flex-wrap to boost inline date_time_selector