zen-8.x-7.0-alpha15/STARTERKIT/components/forms/form-item/form-item.twig

<div class="form-item {{modifier_class}}">
  <label class="form-item__label" for="form-item-input">Label <span class="form-item__required" title="This field is required.">*</span></label>
  <input class="form-item__widget" type="text" id="form-item-input" value="Text value">
  <div class="form-item__description">
    Form item description.
  </div>
</div>
<div class="form-item {{modifier_class}}">
  <label class="form-item__label" for="form-item-input-2">Another label <span class="form-item__required" title="This field is required.">*</span></label>
  <input class="form-item__widget" type="text" id="form-item-input-2" value="Text value">
  <div class="form-item__description">
    Another form item description.
  </div>
</div>