HTML-Prototype von TUM Campus Heilbronn

<form class="powermail_form" action="#" method="post">
  <div class="powermail_fields">
    <div class="powermail_fieldwrap powermail_fieldwrap_type_input">
      <label class="powermail_label" for="demoform-number">Enter a number
      </label>
      <div class="powermail_field">
        <input class="" type="number" id="demoform-number" name="" placeholder="Enter a Number" pattern="[0-9]*"/>
      </div>
    </div>
    <div class="powermail_fieldwrap powermail_fieldwrap_type_input">
      <label class="powermail_label" for="demoform-number-error">Enter a number
      </label>
      <div class="powermail_field">
        <input class=" powermail_field_error" type="number" id="demoform-number-error" name="" placeholder="Enter a Number" pattern="[0-9]*"/>
        <ul class="powermail-errors-list filled" aria-live="polite">
          <li>This field is required</li>
        </ul>
      </div>
    </div>
  </div>
</form>