treebird/static/notification_action.html

<table class="notification notification-regular ui-table">
  <tr>
    <td class="pfp-td">
      <img src="%s">
    </td>
    <td class="notification-table-bit">
      <table class="ui-table">
        <tr>
          <td>
            <div class="notification-info-format">
              <span class="notification-text-group-with-icon">
                <span class="username">%s</span>
                <span class="action">%s</span>
              </span> %s
            </div>
            <span class="notification-content">
              <a href="%s/@%s">@%s</a>
            </span>
          </td>
        </tr>
      </table>
    </td>
  </tr>
</table>