🍔 Навигация (Menu)

<nav class="navbar navbar-expand navbar-light">
  <div class="navbar-container">
    <a href="#" class="navbar-brand">Brand</a>
    <button class="navbar-toggler">...</button>
    <div class="navbar-collapse">
      <ul class="navbar-nav">
        <li class="nav-item">
          <a href="#" class="nav-link is-active">Главная</a>
        </li>
        <!-- dropdown, etc. -->
      </ul>
    </div>
  </div>
</nav>