HTML-Prototype Schulpaket

<div class="form-group">
  <label for="demoformid-text">Last name</label>
  <input class="" type="text" id="demoformid-text" name="" placeholder="Text Input"/>
</div>
<div class="form-group has-error">
  <label for="demoformid-text-error">Last name</label>
  <input class="" type="text" id="demoformid-text-error" name="" placeholder="Text Input"/>
  <div class="form-group__error" role="alert">This field is required</div>
</div>