Coursepress Pro with Custom theme - responsive layout issues

I am trying to use Coursepress with our custom theme.
Installing the latest version 2 completely messed up our site so we need to start again.

Currently, the listing of courses on our site is handled by the page.php template.
The problem is, we want to customize this course listing and am unsure how to go about it.
If we let it use the default, the layout is not responsive for any coursepress stuff. Our site is completely responsive.

SO the quick answer would probably relate to this question....
What should we name our custom template for the course listing page so we can populate it with shortcodes and design our own layout?