una/modules/boonex/files/template/entry-popup.html

<div class="bx-def-margin-bottom">
    __content__
</div>
<button class="bx-btn" onclick="$('#bx-files-popup').dolPopupHide();" style="float: none;"><bx_text:_sys_close /></button>

<script>
    function bx_files_popup_init() {
        <bx_repeat:init_scripts>
            __code__
        </bx_repeat:init_scripts>
        $(window).resize();
    }
</script>