stella2 - As far as I know, there are such templates as free and paid templates on various topics, so finding a suitable one is quite easy.

kaver - Hi! I recommend that you pay attention to responsive opencart themes https://www.templatemonster.com/responsive-opencart-themes/ . All Opencart templates that you find here have good technical support, are easy to use and customize, are suitable for any type of online store, are equipped with a responsive and responsive design, as well as many other useful features.