u-arrow"></i>
            </a>
            <div class="collapse" id="auth">
              <ul class="nav flex-column sub-menu">
                <li class="nav-item"> <a class="nav-link" href="pages/samples/login.html"> Login </a></li>
                <li class="nav-item"> <a class="nav-link" href="pages/samples/login-2.html"> Login 2 </a></li>
                <li class="nav-item"> <a class="nav-link" href="pages/samples/register.html"> Register </a></li>
                <li class="nav-item"> <a class="nav-l