WE have an two joomla sites that are using same component and same modul.
Your work is simple: TO COPY/PASTE THE CSS FOR THIS MODUL (COMPONENT) TO THE NEW SITE.
This is all. you need to find what file css lines (not complete css fajl) just this one that are in the mather of this modul to layout be the same.
Total price $5 + best possible review.