Customising Coursepress Page templates

I’m wanting some help or guidance to make my course overview display similar to the one one in the below screenshot:

But currently it looks like:

We would like it cleaned up a bit more, and possibly with a few more details like in the 1st screenshot.

Not sure which template files we would need to customise in the plugin for this, and which to move to the theme folder so we can customise them there.