Font awesome icon showing as square in chrome?

Question

I am trying to use a font-awsome icon within a button. The icon works fine in firefox but when I use it in chrome it appears as a square. I have looked around and the only thing

Answer 1

If you have everything in the proper place (and you even checked the css to make sure the paths are right and you're wondering if you need a js file), try looking at your HTML:

This will show up the square with numbers/letters inside mentioned in the question (instead of the icon).

This will show your icon! Remember, in version 4.2.0 you have to add the fa class!

Hope it helps!