On Theme Boost, login as a teacher or an admin. Add the Administration block. Navigate to a course and create a forum. Set the Subscription mode to " Optional subscription " Click " Save and display " Click on the cog to show the menu. Check the Subscription mode node. Confirm that it is in-line with the other menu items. Check the subscription mode items "Optional subscription", "Forced subscription", "Auto subscription", and "Subscription disabled". Confirm that these are slightly indented under the "Subscription mode" node and are aligned with each other. Check the " Optional subscription " mode. Confirm that it has a check icon beside it and is has a bold font. Click on the other subscription modes. Confirm that whichever subscription mode gets selected, a check icon gets displayed beside it and is shown on bold font. Expand the "Subscription mode" node under the Forum administration block. Confirm that the selected subscription mode has a check icon beside it and is shown in bold font. Test on Clean Switch to Clean theme by adding " &theme=clean " at the end of the URL on the browser's address bar. Expand the "Subscription mode" node under the Forum administration block. Confirm that the selected subscription mode has a check icon beside it and is shown in bold font. Select the other subscription modes. Confirm that whichever subscription mode gets selected, a check icon gets displayed beside it and is shown on bold font.