source: src/main/resources/templates/addCar.html

<div>
  <form class="form-signin mt-xl-4" method="post" action="/addCar">
    <h2 class="form-signin-heading mb-3">Додај кола</h2>
    <p>
      <label for="since" class="sr-only">Година на почеток на производство</label>
      <input type="number" id="since" name="since" min="1900" max="2022" class="form-control" placeholder="Внеси година..." required="" autofocus=""/>
    </p>
    <p>
      <label for="till" class="sr-only">Година на крај на производство</label>
      <input type="number" min="1900" max="2022" id="till" name="till" class="form-control" placeholder="Внеси година..." required="" autofocus=""/>
    </p>
    <p>
      <label for="name" class="sr-only">Име на кола</label>
      <input type="text" id="name" name="name" class="form-control" placeholder="Внеси име на кола..." required="" autofocus=""/>
    </p>
    <p>
      <label for="mId">
        <select id="mId" class="form-control d-inline mr-3" required name="mId">
        <option  th:each="m : ${manufacturers}"
                 th:text="${m.getCmname()}"
                 th:value="${m.getId()}">
        </option>
      </select>
      </label>
    </p>
    <button class="btn btn-lg btn-primary btn-block" type="submit">Додај кола</button>
  </form>
</div>