The layout appears consistent to me on Internet Explorer for Windows and Firefox on Mac...
If you encounter any discrepancies, depending on your browser and operating system, I recommend performing a HARD-REFRESH to ensure that you are accessing the most up-to-date styles, scripts, etc.
To execute a hard-refresh (rather than a standard refresh):
On Internet Explorer or Firefox for Windows: CTRL + F5
On Firefox for OS X: CMD + SHIFT + R
You can also achieve this by CMD + Clicking (or CTRL + Clicking) the Refresh button in your browser.
If you wish to temporarily disable your cache...
You have the option to easily disable caching to ensure all page loads fetch the latest content (although it may consume more bandwidth with each hard refresh).
I personally find the fastest method to disable cache is by using the Firefox Add-on Developer Toolbar:
I hope this information proves helpful!