<form action="#">
    <fieldset>

        <div class="row fileUpload">
            <label for="fileUploadMulti">Upload File(s)</label>
            <input type="file" name="attached_files" class="js_fileUpload" id="fileUploadMulti" multiple />
            <div class="fileName js_fileName"></div>
        </div> <!-- .row -->

    </fieldset>
</form>
