Add Font Awesome stacked icons creation

George How about making an easy way to use stacked icons?

    <span class="fa-stack fa-lg sound" id="soundtoggle">
				  <i class="fa fa-circle-o fa-stack-2x"></i>
				  <i class="fa fa-volume-off fa-stack-1x volume-icon"></i>
				</span>

$(’.volume-icon’).toggleClass(‘fa-volume-up’, ‘fa-volume-off’);