CSS/HTML Compatibility Issues Across The Same Browser

Good Day. I have a rather weird problem. And it is the first time I came across this. I have an html/css menu (navigation menu) consisting of a ul list and anchor tags inside. I a

Solution 1:

The only times I have seen this happen was between different operating systems as well. In that case, it worked on Windows and Linux but not on Mac. The only common trait between the various occurrences was that the rendered menu font appeared different. And, yes, it cause me some headaches too.

You may also want to reset the page zoom by doing CTRL-0 just in case someone zoomed in and that screwing things up.

What did work is to adjust the padding of menu items until the one incorrect showed up properly and that reached both. Unfortunately, I could only do it by trial and error since the system in question did not have access to the development server.