             <li class="nav-item">
                                    <a class="nav-link" href="#" title="Current breakpoint tier">
                                        Tier     
                                        <span class="d-xl-inline d-none">XL</span>
                                        <span class="d-lg-inline d-xl-none d-none">LG</span>
                                        <span class="d-md-inline d-lg-none d-none">MD</span>
                                        <span class="d-sm-in