Take your icon game to the next level. Check out Fonticons, from the maker of Font Awesome.
             

fa-stack-exchange · Unicode: f18d · Created: v4.0 · Categories: Brand Icons

After you get up and running, you can place Font Awesome icons just about anywhere with the <i> tag:

fa-stack-exchange
<i class="fa fa-stack-exchange"></i>

Looking for more? Check out the examples.