First of all, thank you for this wonderful theme, documentation, and videos. It's easy and broke my reluctance to code.
I'm pretty a newbie with html / css and I really tried to do it by myself but can't find why it's not working. I'm trying to add a background image for a specific page of my girlfriend's website.
This is the page I want to change:
In my CSS, I added, as you suggested on your tutorial, a class with background url:
Thank you for your help