This is the place where you can manage your form themes. We provide 32 predefined themes. Predefined themes cannot be deleted or modified, but they can be duplicated. A duplicated theme can be tweaked according to your needs and preferences. You can also build a form theme from scracth.
The related topics and FAQs below will tell you more about themes. More extensive documentation about how to make theme customizations can be found in the Form Settings → Form Themes section.