Puzzled...

So I had a stonking migraine last week - I normally only get them once every two years, but I've had two this summer. Clearly the goddess of crap paying me back for my getting such an ace holiday.

In order to keep working, as it wasn't the worst kind of migraine, I decided to change the background colours on my computer to reduce the glare. It worked a treat - on I plodded.

Of course, can I remember how to switch it back?

Can I buggery.