Getting Scroll Snapping Custom Code to Only Appear on Desktop

Hello everyone! I’m sincerely hoping that someone with enough coding know-how will be able to answer my question. I’ve been using the custom code Scrollify for my client’s website to allow for scroll-snapping, but I don’t want the website to have scroll-snapping on anything smaller than desktop. Does anyone know how I could write this code so that it doesn’t appear on smaller breakpoints?

Here’s the custom code that I’ve been using:

Here is my site Read-Only:

Here’s my site link:

Thank you very much for your help!