Amaya – https://www.w3.org/Amaya
Translations:
http://odrljin.eu/w3/amaya-de
Historical Style Sheet proposals – https://www.w3.org/Style/History
Translations:
German http://www.w3-de.de/Style/history
Translations& hints for translators – https://www.w3.org/Style/CSS/translating
Translations:
http://www.w3-de.de/Style/translating
Don’t use “custom DTDs”! – https://www.w3.org/Style/customdtd.en.html
Translation:
https://www.w3.org/Style/customdtd.de.html