Arras has made an improved multi-browser compatible version through the Stylish browser addon. This will change the current forum theme to a dark theme that's easier on the eyes.
Download it here:
Don't have
tylish?
Any comments or further suggestions, post below.
Keep in mind that this is just to save the situation a little bit, since the little hacking mishap was difficult to predict.
If you really want to help, go donate to GBAtemp on the front page RIGHT NOW. Seriously. You'll get a permanent dark theme then.