Page menu background image

Good afternoon.
I have a difficulty (for being new) to change the image that is on the pages, such as “contacts”, “publications”, “who we are”, as if it were the image of the page header.
An example page: https://filcafe.com.br/contato/
After opening the url, you can check this green leaf image. I would like to change it.
I would appreciate some help.
Att,
Lucas Alves.

• This topic was modified 6 years, 5 months ago by alvesluc.

The page I need help with: [log in to see the link]