keycard-certify/layouts/error.html

<section id="keycard__error-layout">
  <div class="keycard__img-card-container">
    <img src="./img/smartcard_error.png" alt="Smartcard" class="keycard__img">
  </div>
  <p class="keycard__pairing-message" id="error-message"></p>
  <div class="keycard__btn-container">
    <input type="submit" id="btn-error" class="keycard__btn" value="OK">
  </div>
</section>