Yes, you can.
You you can change the theme and customize the customer portal by:
- Defining the style of the portal in a CSS file
- Pasting the CSS file URL in the customer portal setting
Follow these steps to insert the CSS file URL in the CRM:
- Click the User Menu on the top right corner of the screen.
- Click the Settings button.
- Select Customer Portal under Configuration.
- Paste the file URL in the CSS URL for Custom Theme field.
- Click Save.