<nav class="navbar navbar-expand-lg bg-body-tertiary">
          <div class="container-fluid"><a class="navbar-brand" href="#">WHAT_SO_ADEM</a>
              <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNavAltMarkup" 
                  aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
                  <span class="navbar-toggler-icon"></span>
                    </button>
                      <div class="collapse navbar-collapse" id="navbarNavAltMarkup">
                      <div class="navbar-nav">
                    <a class="nav-link active nav-highlight" aria-current="page" href="#">Home</a>
                  <a class="nav-link" >Research</a>
                <a class="nav-link">Type Hierarchies</a>
                <!-- <a class="nav-link" href="#">Pricing</a> -->
              </div>
            </div>
          </div>
        </nav>