Fix font-awesome firefox FOUT
<script type="text/javascript">
WebFontConfig = {
custom: { families: [ 'FontAwesome' ],
urls: [ '//cdnjs.cloudflare.com/ajax/libs/font-awesome/3.0.2/css/font-awesome.min.css'] }
};
(function() {
var wf = document.createElement('script');
wf.src = ('https:' == document.location.protocol ? 'https' : 'http') +
'://ajax.googleapis.com/ajax/libs/webfont/1/webfont.js';
wf.type = 'text/javascript';
wf.async = 'true';
var s = document.getElementsByTagName('script')[0];
s.parentNode.insertBefore(wf, s);
})();
</script>
<style type="text/css">
.wf-loading [class^="icon-"],
[class*=" icon-"] {
visibility: hidden;
}
.wf-active [class^="icon-"],
[class*=" icon-"] {
visibility: visible;
}
</style>