I’m trying to lower the font size of product titles on the collection and all products pages for mobile viewing on Pipeline theme, but I’m stuck, can someone please guide me through this?
Sorry you are facing this issue, it would be my pleasure to help you.
Welcome to the Shopify community! 
Thanks for your good question.
Please share your site URL,
I will check out the issue and provide you a solution here.
Hello, thanks so much for the consult it’s tremendously appreciated!
https://www.mythicalmerch.net/collections/all
https://www.mythicalmerch.net/collections
These 2 pages but for mobile are the pages in question. I’d be happy to lower the font size for both mobile & browser if necessary but mobile would be ideal. Thanks, Ketan!