        <div class="nav-left-sidebar sidebar-dark" style="background-color: rgb(39, 44, 74);">
            <div class="menu-list">
                <nav class="navbar navbar-expand-lg navbar-light">
                    <a class="d-xl-none d-lg-none" href="index.php">Dashboard</a>
                    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                        <span class="navbar-toggler-icon"></span>
                    </button>
                    <div class="collapse navbar-collapse" id="navbarNav">
                        <ul class="navbar-nav flex-column">
                            <li class="nav-divider">

                                <a href="index.php"><img class="logo-img" src="../assets/images/3803863_3.png" alt="logo" width="180px" height="100px"></a>
                            </li>
                            <li class="nav-item ">
                                <a class="nav-link" href="index.php" style="background-color: rgb(27, 31, 61);"><i class="fa fa-fw fa-tachometer-alt"></i>Dashboard <span class="badge badge-success">6</span></a>
                            </li>
                            <li class="nav-item ">
                                <a class="nav-link" href="course.php"><i class="fa fa-fw fa-certificate"></i>Course <span class="badge badge-success">6</span></a>
                            </li>
                            <li class="nav-item ">
                                <a class="nav-link" href="student.php"><i class="fa fa-fw fa-user-graduate"></i>Student  <span class="badge badge-success">6</span></a>
                            </li>
                            <li class="nav-item ">
                                <a class="nav-link" href="document.php"><i class="fa fa-fw fa-file-word"></i>Document <span class="badge badge-success">6</span></a>
                            </li>
                            <li class="nav-item ">
                                <a class="nav-link" href="request.php"><i class="fa fa-fw fa-file"></i>Request <span class="badge badge-success">6</span></a>
                            </li>
                            <li class="nav-item ">
                                <a class="nav-link" href="payment.php"><i class="fa fa-fw fa-money-bill-wave"></i>Payment <span class="badge badge-success">6</span></a>
                            </li>
                            <li class="nav-item ">
                                <a class="nav-link" href="users.php"><i class="fa fa-fw fa-user-lock"></i>User <span class="badge badge-success">6</span></a>
                            </li>

                            <li class="nav-item">
                                <a class="nav-link" href="#" data-toggle="collapse" aria-expanded="false" data-target="#submenu-8" aria-controls="submenu-8"><i class="fas fa-fw fa-chart-pie"></i>Reports</a>
                                <div id="submenu-8" class="collapse submenu">
                                    <ul class="nav flex-column">
                                        <li class="nav-item">
                                            <a class="nav-link" href="income-report.php">Income</a>
                                        </li>
                                        <li class="nav-item">
                                            <a class="nav-link" href="course-report.php">Request by Course</a>
                                        </li>
                                        <li class="nav-item">
                                            <a class="nav-link" href="status-report.php">Request Status</a>
                                        </li>
                                    </ul>
                                </div>
                            </li><br>

                        </ul>
                    </div>
                </nav>
            </div>
        </div>