 sidebar-dark accordion" id="accordionSidebar">

        <!-- Sidebar - Brand -->
        <a class="sidebar-brand d-flex align-items-center justify-content-center" th:href="@{/index}">
            <div class="sidebar-brand-icon rotate-n-15">
                <i class="fas fa-laugh-wink"></i>
            </div>
            <div class="sidebar-brand-text mx-3">E-Exercise</div>
        </a>

        <!-- Divider -->
        <hr class="sidebar-divider my-0">

        <!-- Nav Item -->
        <li class="nav-item