How to set position of car page

My car page is set on the right and it seems to be out of page as well. Where can I set the position of it? This also causes that the vehicle price is not displayed clearly.

Thanks for any reply in advance.

By the way I am talking about the situation as displayed in on of your screenshots; https://ps.w.org/cars-seller-auto-classifieds-script/assets/screenshot-3.png?rev=996889

https://www.ads-software.com/plugins/cars-seller-auto-classifieds-script/