<div class="ecp-component ecp_CampaignUnsubscribe">
  <form class="ecp-form">
    <h2>{message:Unsubscribe/Title}</h2>
    <p class="ecp-summary">{message:Unsubscribe/Summary}</p>
    <button data-ecp-action="unsubscribe">{message:Unsubscribe/UnsubscribeButton}</button>
  </form>
</div>