Disable Custom CSS on Collections pages

Having issues rendering the 'Video Overview' collections page due to custom CSS injected throughout the site. Any tips for overriding custom css for collections pages?

It's generally best to target your code just to the areas of the website that you want it to affect rather than applying it globally and then overriding where it is causing problems. You can generally achieve this by targeting pages/sections/blocks using the IDs. This should tell show you how to start:

https://squarefortytwo.com/squarespace-guides/find-an-id-in-squarespace-71