This article aims to help you access the data AFTER you’ve successfully loaded the list data.
SharePoint 2013/2016 links to standard and more obscure SharePoint features. Some are easy to find within the application interface and others quite difficult to discover. I broke them down into the more obscure ones (first) and the standard site settings (as viewed from a Site Collection) links.Read More
So you have an image that is styled to max-width: 100% but it displays at its native width and pushes over your other content.
max-width: 100% works well in Chrome, but IE and Firefox (and potentially some other browsers) don’t honor it.
This article explains why and how to fix it.