<nav class="navbar navbar-expand-lg bg-dark">

  <div class="container-fluid">

    <a class="navbar-brand me-auto" href="#">Osheaga</a>

    <button class="navbar-toggler" type="button" 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 flex-grow-0" id="navbarNav">

      <ul class="navbar-nav">

        <li class="nav-item">

          <a class="nav-link active" aria-current="page" href="#">Programmation</a>

        </li>

        <li class="nav-item">

          <a class="nav-link" href="#">Billetterie</a>

        </li>

        <li class="nav-item">

          <a class="nav-link" href="#">Hébergement</a>

        </li>

        <li class="nav-item">

          <a class="nav-link" href="#">Expérience</a>

        </li>

        <li class="nav-item">

          <a class="nav-link" href="#">Le festival</a>

        </li>

      </ul>

    </div>

  </div>

</nav>

.demo {

  width: 100%;

}

​