una/template/comments_uploader_bs.html

<a __attrs__ href="javascript:void(0);" class="bx-btn bx-def-margin-sec-top bx-def-margin-sec-left cmts-uploader-button __btn_class__">
    <i class="sys-icon __button_title__"></i>
</a>
<bx_include_auto:uploader_button_html5_js.html />