gle navigation"
        >
            <span class="navbar-toggler-icon"></span>
        </button>
        <div class="collapse navbar-collapse" id="navbarCollapse">
            <ul class="navbar-nav me-auto mb-2 mb-md-0">
                <li class="nav-item">
                        <a class="nav-link active" aria-current="page" href="index.html">Paper</a>
                </li>
                <li class="nav-item">
                        <a class="nav-link" href="resource.html">Resources</a>
              