The page loads fine on my end, on every browser. My guess is that Cornerstone starts failing once too many elements are present on a page. We’ve experienced this phenomenon with every large page we’ve ever made in Cornerstone no matter what website and usually the symptoms are just VERY slow previews when you make an edit but this time it seems it’s also messing with breakpoints on at least one element. This is a big problem because it’s prevented us from progressing with the buildout of our page.
Please try another machine or browser - it is very important that the page is loaded exactly as is with all images and code because obviously those are the circumstances that cause Cornerstone to buckle.
I should also note that this is not the result of a plugin conflict - this issue occurs when no plugins except Cornerstone Charts are enabled.