Switch to Chrome or Firefox!
They're the only two browsers specifically built for both PCs and Apple.
Clear your cache!
Your browser may be saving old pages, so the best way to make sure that it's not causing display issues is to clear your cache.
Click "Control" + "Shift" + "Delete"
OR
In Chrome:
Click Settings > More Tools > Clear browsing data
In Firefox
Click Settings > History > Clear Recent History