Yes, it’s possible to do this by using the Add option on the Edit HTML page. Custom pages can then be linked on other HTML pages or displayed instead of the existing page in various branding settings.
For instance, if you create a custom page with all of your internal LMS support and help desk information, you could provide a link to that page on your login HTML page or the My Learning or Learning Path pages to help your users contact you or your support desk for LMS assistance.
For more information, check out our support page specific to this topic: Create Custom HTML Pages