cssPad
HTML
<div> <a class="iconfa-laptop" href="#">Test Link</a> </div>
CSS
.iconfa-laptop { display:inline-block; padding-left: 18px; line-height:18px; background: url('https://blogs.adobe.com/adobeingovernment/wp-content/plugins/tweet-blender/img/ajax-refresh-icon.gif') center left no-repeat; }