Beside fully customizable Affiliate registration link, now you can edit the Affiliate login page by going to Settings => Affiliate login
You can edit text, Button text, background or add more custom CSS on the page for your customization.
You can also observe the instant change on Preview section.
Be noted to click Save changes to apply your edit.
Affiliate login page can be hosted on Secomapp domain with link looks like: af.secomapp/subdomain/login or on your embedded affiliate registration form.