My RoBoHelp 2017 project is not displaying correctly in Chrome or IE but is correct in Firefox and Edge when navigated to from a link in our software.
I've created a 'user guide' with RoBoHelp 2017 that uses Azure_Blue layout generated as a Responsive HTML 5. It looks fabulous when using the index.html from my computer in Chrome, Internet Explored, Edge and Firefox. When I open the 'user guide' from the link in our software (from the internet) it looks great in Edge and Firefox but I receive the following in IE and Chrome:

My software developer believes it has something to do with the following blank area:

Any thoughts?
