Locking a page prevents any further changes of the page. You won’t be able to change styles or move elements on a locked page.
Locking a page
- Click on Lock Page
- The Inspector on the right and the preview on the left will show a lock symbol.
Unlocking a page
Click on Unlock Page at the top or in the Inspector.
You can (un)lock multiple pages at once.
- Click on the first page to select it,
- Hold the Shift key, click on the last page
- All the pages in between will be selected.