Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
It's just about visible, but only just:
Here's how it would look on the normal flair and in Firefox:
Personally, I think this is kind of unnecessary. I can still see the heart on the hot dog stand flair. It might be a little hard on your eyes, but so is the hot dog stand flair.