Why does my promotional banner text overflow in mobile view?

[arthurgroomco]

I am having an indue with the mobile view of the Promotional Banner.

The text goes outside of the box on mobile view.

I have tried a few codes, but none of them have worked so far. 

Images attached for reference.

[askdevelopernet]

Hi @arthurgroomco 
Please change width of .collection__promotion-caption from max-content to 100%