<header> <nav class="navbar navbar-dark"> <a href="#" class="navbar-brand lht-0"> <i class="fas fa-times text-primary close-window"></i> </a> <div class="navbar-nav"> <div class="nav-item"> <div class="text-size btn-group btn-group-sm" role="group"> <button type="button" class="btn btn-white btn-sm border size-button smaller"><i class="fas fa-minus"></i></button> <button type="button" class="btn btn-white btn-sm border size-button defaulter"><i class="fas fa-font"></i></button> <button type="button" class="btn btn-white btn-sm border size-button larger"><i class="fas fa-plus"></i></button> </div> </div> </div> </nav> </header>