You have the URL located in the wrong place. It should be entered within the opening <a> tag:
<a href="http://facebook.com/eivind.simensen" class="social_icon ion-social-facebook"></a>
I recommend checking out the Codecademy HTML and CSS course
to learn the basics of how HTML and CSS work; it's free, and if you combine that with Firebug
, you should be able to figure a lot of things out on your own, which is generally faster than waiting on support.