Every page, along with every pages background image, is editable by the user, so whenever she gets bored with one of the background images she can just add a new one. The app also includes a small blog where she can post updates from the accounting world.
The really fun thing with this website was that I decided to do a completely different layout for tablets and phones, so the design above changes and becomes this in tablets:
I kind of like it, and the owner is very happy with it. And that's the most important thing, after all. There are still a few minor things to fix, as always, but I'm sure I'll get it right... soon :)