Style CoursePress Pro with Genesis/Dynamik

I have Genesis/Dynamik with Beaver Builder.
I have installed CoursePress Pro and searched the forums but can't figure out how to style it properly. I've inserted CSS in my theme but it doesn't change anything at all. I'd like it to look the the CoursePress theme but want to make some adjustments, too.
I can't figure out where to add or change files.
I did find this thread but the solution wasn't posted.
This is for
I created a new WP install at so I could just use the theme there but it doesn't seem like I can set up membership and payments properly that way.
I can't use Multisite because Beaver builder isn't compatible.
I have enabled support access.
Thanks for your help.