Mobile view: Value is overridden by more specific selector

Hi guys!

Sorry, I’ve seen this in other forum messages but couldn’t fix mine.
I get this message and wow every title that contains these two classes (a lot) is hidden for mobile and I can’t edit the class.

Any help highly appreciated!

https://preview.webflow.com/preview/portfolio-bruna-d8091d?utm_medium=preview_link&utm_source=designer&utm_content=portfolio-bruna-d8091d&preview=68c60d5390cb097e8bbb7dbabd8cb79a&pageId=65f21d397fa9c3967797e711&workflow=preview