weseek__growi/lib/views/widget/create_portal.html

<div class="portal-form-button">
  <button class="btn btn-primary" id="create-portal-button" {% if not user %}disabled{% endif %}>Create Portal</button>
  <p class="help-block"><a href="#" data-target="#help-portal" data-toggle="modal"><i class="icon-question"></i> What is Portal?</a></p>
</div>