In order to customize the colors of the IBE, please go to "New IBE->Website clips" sub-module and click the "Crayons" icon.
Listed below are screenshots of the different setting options and how the section effects the IBE, please see the Red color for reference.
Links and menu items
Search engine main
Icons main color
Content main color
Search engine secondary
Items secondary background
Booking process header color/image
You can either upload a banner image to the 'Storage' sub-module and insert the link on 'header image', or leave it blank and choose a color on 'header color' for a single-colored banner instead.