How to mark the text part in the images?

I do not know, is this possible in Kodular?
how to mark text part in the images?

Maybe this can help you

https://puravidaapps.com/textbox.php

I guess, this doesn’t use a textbox.

@Taifun 's extension is for use with textbox, with web viewer I believe you can use

Otherwise you can always use search :mag:

https://community.kodular.io/search?q=highlight%20text