line-block align-top" width="25" height="25">
              Octave Fuzzy Logic Toolkit
            </a>
            <button type="button" class="navbar-toggler" data-bs-toggle="collapse" data-bs-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">
                <li class="nav-item