With the theme Clean, visit someone's profile Inspect the HTML and confirm that the User header does not contain nested H1 tags Repeat the check on the front page Edit bootstrapbase/config.php and change the layout file of the frontpage to 'maintenance.php' Confirm that the front page header is well formatted Set $CFG->maintenance_mode = true; in your config file As a non-admin user, head to the my/ page and confirm that you don't see any extra notice (you'll see one about the context not being defined) Repeat after setting a logo in the settings of Clean. The logo will be displayed instead of the header.