While the moving background visible on all pages (see example below) does look very cool and sexy, and I definitely think you should keep it, it can be quite distracting for certain kinds of users (including me), and is therefore an important accessibility feature.
It would be nice if there was an option to pause this animation. It would of course also be important that the state of this button (or however it is implemented) is remembered between page loads.
Here is an example of how it looks today:
