Using the Boost theme. Login and under your username on the navbar, select 'Profile'. Instead of yourself you can log in as an administrator and observe the profile of a student. Inspect the page with the browser development tools (F12) and confirm that there is a body class of 'pagelayout-mypublic'. Create a course and enrol yourself on it. (if you are an administrator, just go to a course and click on the participants page, then click on a student to view their profile.) Under the course administration, then users tab, then enrolled users, click on your user name to go to the profile page. Inspect the page with the browser development tools (F12) and confirm that there is a body class of 'pagelayout-mypublic'.