<form class="usa-form-large">
    <fieldset>
        <legend>File Upload</legend>
        <span>Files must be in .pdf format and less than 2 MB.</span>
        
        <div class="vaux-file-upload-wrapper" data-file-upload-trigger>
            <label for="fileUpload">
        <span class="usa-button" role="button" tabindex="0">Choose file(s)</span>
      </label>
            <input type="file" name="filesToUpload[]" id="fileUpload" multiple="">
            <div class="vaux-file-list-wrapper hidden">
                <h5>Uploads</h5>
                <ul class="vaux-file-list">
                </ul>
            </div>
        </div>
        
    </fieldset>
</form>