Font Awesome Circle Background

by Juan Muñoz

HTML

<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css">
<span class="fa-stack fa-2x">
  <i class="fa fa-circle fa-stack-2x icon-background2"></i>
  <i class="fa fa-facebook fa-stack-1x"></i> 
 </span>

CSS

.icon-background2 {
    color: black;
}

.fa-facebook {
  color:white;
}