Using translate: false in the blueprint, how do I get the Content from my default language if site language switched to another language?
Edit: found the solution: Find() page in specific language
Kirby falls back to the default language if no translated content is available?
Yes it does. My problem was that I used division and decimal point character was a , and my background-images wasn’t shown because the value of padding-top was then invalid. 
Thank you @texnixe