Small cosmetic fix

Small cosmetic fix for GitHub style

Author: siniStar7

css/atheme-style.css

@@ -2,7 +2,7 @@ body, .jumbotron, .well {
 	background-color: #F2F2F2;
 }
 
-.iris, .iris:hover {
+.github, .github:hover {
 	color: #43ac6a;
 	text-decoration: none;
 }

index.html

@@ -74,7 +74,7 @@ <h1><a href="swi.html" class="web"><span class="fa fa-fw fa-globe"></span> SWI</
 <a class="btn btn-lg btn-default" href="swi.html">More Info</a>
 </div>
 <div class="col-md-4 marketing-text">
-<h1><a href="https://github.com/atheme/" class="github"><span class="fa fa-fw fa-globe"></span> GitHub</a></h1>
+<h1><a href="https://github.com/atheme/" class="github"><span class="fa fa-fw fa-terminal"></span> GitHub</a></h1>
 <p>View more of the Atheme Development Groups' projects on GitHub.</p>
 <br/><br/>
 <a class="btn btn-lg btn-success" href="https://github.com/atheme/">GitHub</a>