una/template/menu_buttons_hor.html

<ul class="bx-menu-btns-hor bx-menu-object-__object__ bx-clearfix">
    <bx_repeat:menu_items><li class="bx-menu-item __name__ bx-def-margin-thd-topbottom __class_add__"><a class="bx-btn __name__ bx-def-margin-right" href="__link__" onclick="__onclick__" title="__title_attr__"__attrs__>
        <bx_if:image><img style="background-image:url(__icon_url__)" src="<bx_icon_url:spacer.gif />" /></bx_if:image>
        <bx_if:icon><i class="sys-icon __icon__"></i></bx_if:icon>
        <bx_if:title><u>__title__</u></bx_if:title>
    </a></li></bx_repeat:menu_items>
</ul>