Navbar with Search Box & Buttons

<nav class="navbar navbar-expand-lg navbar-light bg-light">
  <div class="container">
    <a class="navbar-brand" href="#">Brand</a>
    <div class="collapse navbar-collapse">
      <ul class="navbar-nav me-auto">
        <li class="nav-item"><a class="nav-link" href="#">Home</a></li>
      </ul>
      <form class="d-flex">
        <input class="form-control me-2" type="search" placeholder="Search">
        <button class="btn btn-outline-success" type="submit">Search</button>
      </form>
    </div>
  </div>
</nav>