una/template/logo_main.html

<a __attrs__>
    <bx_if:show_title><span>__logo__</span></bx_if:show_title>
    <bx_if:show_logo>
        <bx_repeat:images>
            <img id="__id__" src="__src__" alt="__alt__" style="__style__" />
        </bx_repeat:images>
    </bx_if:show_logo>
</a>