If as a developer you want to adjust parts of the CSS in the booking engine, you’ll find the original CSS code under Settings -> Booking engine -> Manage booking engines -> Edit -> Custom CSS. In the help text to the right, click “Latest version (auto update)”.
Note: We are releasing a new booking engine version. Please be aware that the new version could be incompatible with the guidelines currently provided in this article. These will be updated with the release of the new booking engine version.