<div class="collapse navbar-collapse" id="navbarNav">
          <ul class="navbar-nav" id="navScrollspy">
            <li class="nav-item">
              <a class="nav-link" href="#section-hero">To the top</a>
            </li>
            <li class="nav-item">
              <a class="nav-link" href="#section-description">Description</a>
            </li>
            <li class="nav-item">
              <a class="nav-link" href="#section-trailer">Trailer</a>
            </li>
            <li class="nav-item"