"text"
      ng-model="model.subject"
      placeholder="Subject"
      required>
    <div ng-show="form.subject.$dirty && form.subject.$invalid">
      <span ng-show="form.subject.$error.required">
        The subject is required!
      </span>
    </div>
  </div>
  <div class="form-group">
    <textarea
      class="form textarea"
      id="message"
      name="message"
      type="text"
      ng-model="model.message"
      placeholder="Message"
      required>
    </textarea>
    <div ng-show="form.messa