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(Write here your question/remark)Please help us help you and fill where relevant:
LimeSurvey version: Version 6.3.6+231120 
Own server or LimeSurvey Cloud: Pädagogische Hochschule Wien
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Matrix: Display of sub-questions on the smartphone. Is there a way to bold all subquestions in matrix questions so that they are written in bold on the smartphone?

Thank you!

Of course.
use a media query like


Set the value of max-width to your needs.




In this example I inserted a bit more css.
Shown in my "Tutorial 1: Matrizen", Chapter. 16, which you find in the German section, page 11,12,13, or so.

Another option is to check the device.
Then you can use "tayloring" to bold the subquestions.
You find it in my "Tutorial 3: Gimmicks".

Joffm

 

Thank you! It looks great.

But where can I insert dhe CODE?

And where can I find the tutorial "Tutorial 1: Matrizen", Chapter. 16, which you find in the German section, page 11,12,13?

Thank you!

 which you find in the German section, page 11,12,13?
 

Yes on one of these pages
I do not know exactly

You've got to go to the template editor of the design that you are currently using in your survey. There you navigate on the right side to "custom.css" there you just insert the code @joffm just posted :