HTML & CSS formatting bug when printing web page : I am attempting to print a web page via Ctrl-P or right-click print so I can save it as a PDF. Up  until several minutes ago, this was working flawlessly. I have made some minor sizing edits to the grid I am working with on the page and now when I attempt to print, the web page is displaying some formatting glitches on the preview screen. 

The problem is shown below. There are various borders missing from the grid and this is carrying over to the PDF when fully saved.

[![Glitched web page][1]][1]


  [1]: https://i.stack.imgur.com/oEhby.png