color:#ffffff;">
                                  <h1 style="font-size: 1.875em; font-weight: 700; line-height: 1.2; margin: 1rem 0;">New team</h1>
                                  <h2 style="font-size: 1.25em; margin: 0;">Youâ€™re now a member of ${teamName}</h2>
                                </div>
                              </td>
                            </tr>
                          </tbody>
                        </table>
                      </td>
                    </tr>
         