Wordpress Portfolio site functional bug fixes

www.missmashup.com Password: form.function 1st priority: This page is not working on mobile. I need to understand why and have it fixed. https://missmashup.com/portfolio/coned/ 2. I’d like to do an overall audit of what things can be improved on the site. -For example, the way I edited typography messes up the CSS that comes with this template and loads weirdly in places. I’d like a clean fix to this across the site and clear instructions on how to use/edit one type system for this templated site.