On my website I'm trying to use custom css to enable sticky product descriptions on desktop only, but i keep running into scaling issues. It works well on my full screen 1080p monitor, but on 4k monitors part of the description is always cut off. This happens when adjusting the size of the browser window past a certain width as well. My website is www.thomas-stokes.com (the scaling issue normally happens on the product pages for my prints https://www.thomas-stokes.com/shop/kaleidoscope-fine-art-print i'm assuming that's because of the long descriptions too).
Here is the code that I cod