Hello,
1) You use FREE TEMPLATE and it must include "ORDASOFT' copyright
If you want add your own, please buy PRO template.
2) Setting a background for Section:
To change the background image must be replaced bg.png images folder of your template with the same dimensions for your image.
Not clear why your background image presents on all pages.
On demo all works fine. background image only on home page.
ordasvit.com/business10/
So, return to default settings.
Thanks