Heather Berube at Progress did a good video on how you can do things like overlay text on an image without a developer needing to code something for you.  It just uses #Sitefinity and #Bootstrap5

https://youtu.be/vEGGx_xadIk?si=LCWclnhh_bWWq9sB

How to Setup a Background Image with a Text Overlay | Sitefinity Editor Tips and Tricks

YouTube