_nav_bar.html.erb

<nav class="navbar navbar-expand-lg bg-body-tertiary">
  <div class="container-fluid">
    <a class="navbar-brand" href="/"><i class="fas fa-cat"></i>PETS</a>
    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span>
    </button>
    <div class="collapse navbar-collapse" id="navbarSupportedContent">
      <ul class="navbar-nav me-auto mb-2 mb-lg-0">
        <li class="nav-item">
          <a class="nav-link active" aria-current="page" href="#">Home</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="#">Link</a>
        </li>
        <li class="nav-item dropdown">
          <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
            People
          </a>
          <ul class="dropdown-menu">
            <li><%= link_to "All People", people_path, class: "dropdown-item" %></li>
            <li><%= link_to "New Person", new_person_path, class: "dropdown-item" %></li>
            <li>
              <hr class="dropdown-divider">
            </li>
            <li><a class="dropdown-item" href="#">Something else here</a></li>
          </ul>
        </li>
        <li class="nav-item">
          <a class="nav-link disabled" aria-disabled="true">Disabled</a>
        </li>
      </ul>
      <form class="d-flex" role="search">
        <input class="form-control me-2" type="search" placeholder="Search" aria-label="Search" name="Search">
        <button class="btn btn-outline-success" type="submit">Search</button>
      </form>
      <% if logged_in? %>
        <%= button_to "Log Out", logout_path, method: :delete, data: { turbo: "false" }, class: "btn btn-primary btn-margin-left" %>
      <% else %>
        <%= button_to "Log in", '/auth/google_oauth2', method: :post, data: { turbo: "false" }, class: "btn btn-primary btn-margin-left" %>
      <% end %>
    </div>
  </div>
</nav>