Bildschirmhintergrund

der Bildschirm-Hintergrund ist grau. Blaue, rote oder gar graue Texte kann man nur sehr schlecht oder gar nicht lesen. Wie kann ich die Farbe des Hintergrundes ändern?

I think:

His screen background is gray, and he has trouble reading blue, red or gray text. How can he change background colour???/

Sorry, my german was rusty 30 years ago, now its almost non existant

For some reason the phrase 'Weltanschauung' popped into my mind reading this title.

I thought it had something to do with birds...

thank you, Rooperi, fot the translation, 50 years ago my english was o.k., but it faded away.... 

Yay! seems I got it right.

Try changing your theme.

I find the "newspaper" one very readable.

http://www.chess.com/home/themes

Thank you, rooperi, you helped me to resolve my problem. All's o.k. now.

You're welcome.

BYW, I wouldm't even try writing anything in German :)