Thank you for contacting and choosing our product
1: With "CAPABILITIES" we style according to the code we set, if you want to add a similar "CAPABILITIES" in a certain location, I will customize it for you.
2: quickstart problem with CAPABILITIES
The cause is due to the HTML class tags and may be due to the version of SP Page Builder
I will install a extension and check code for you
3: you can see the document at here: