div class="text-center">
          <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
          <input type="hidden" name="book_id" value="{{ book.id }}">
          <div role="group" aria-label="Upload new book format">
            <label style="padding: 1.3rem; padding-inline: 2rem;" class="btn btn-primary btn-file" for="btn-upload-format"><span style="margin-right: 1rem;" class="glyphicon glyphicon-arrow-up"></span>{{ _('Upload Format') }}</label>
            <div class="upload-format-inpu