How to made the text on a note in Bold?

[Kal_Lam]

Maybe this post discussed previously should help you solve your issue:

Change the color and font appearance of the options sheet

Try having a look here. It should be helpful for you! For your ease: [image]

And this post discussed previously should also help you out:

How do we change the font size in the matrix question?

Hi @LuisB, At present (changing the font size in a matrix question) is not directly possible in KoBoToolbox UI. However this can be done as outlined below: Build a matrix question in KoBoToolbox UI (do not forget to select Grid theme under Layout & Settings once you have completed formatting the matrix question). Download the xlsform as outline here. Make appropriate changes in the xlsform as required. For this you could add various sized headers by prepending # (biggest) to ###### (smallest)…