What's interesting to me is that even in that state, it is not difficult to understand what the menu item does, so why even bother with the icons?
Google use a lot of buttons without text, using icons instead, which a lot of the time are background images. This lends to a lot of mystery meat navigation. Google+ is a bit of nightmare on that front for me.
I don't think my setup is that exotic, all I'm doing is trying to use consistent background and foreground colours, font and text size.
It's amazing how many sites seem to gloss over accessibility.
An instagram page: http://instagram.com/p/ieluJhv-V7/
How it looks to me: http://postimg.org/image/an1jbvf65/
Yup, pretty useless. I've never been able to use/see Instagram pictures without flipping between browsers!