una/template/menu_icon.html

<bx_if:icon><i class="sys-icon __icon__"></i></bx_if:icon>
<bx_if:image><img class="sys-icon-image" style="background-image:url(__icon_url__)" src="<bx_icon_url:spacer.gif />" /></bx_if:image>
<bx_if:icon-html>__icon__</bx_if:icon-html>