You can design your portal to your liking.
You can upload your logo and favicon.
Show your logo instead of the name of your portal in the header.
Start from a theme and design your portal to your liking.
Remove ProductLift branding at bottom of pages and emails.
You can use custom (S)CSS will be added above the Bootstrap 4 stylesheet that ProductLift uses.
This way you can make use of the Bootstrap variables.