django-rest-framework/docs_theme/nav.html

<!-- New Navbar -->
<nav class="navbar navbar-expand-lg navbar-dark bg-dark fixed-top">
  <div class="container">
    <a class="navbar-brand" href="https://www.django-rest-framework.org/"
      >Django REST framework</a
    >

    <div class="d-flex gap-2 order-lg-5">
      <button
        type="button"
        id="search_modal_show"
        class="btn btn-sm btn-secondary d-flex gap-1"
        href="#mkdocs_search_modal"
        data-bs-toggle="modal"
        data-bs-target="#mkdocs_search_modal"
      >
        <svg
          xmlns="http://www.w3.org/2000/svg"
          width="16"
          height="16"
          fill="currentColor"
          class="bi bi-search"
          viewBox="0 0 16 16"
        >
          <path
            d="M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001q.044.06.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1 1 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0"
          />
        </svg>

        <span class="d-none d-md-block">Search</span>
      </button>
      <!-- prettier-ignore -->
      <a 
        {% if page.previous_page %}href="{{ page.previous_page.url|url }}"{% endif %}
        {% if not page.previous_page %}disabled{% endif %}
        class="btn btn-sm btn-secondary d-flex gap-1"
      >
      <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-arrow-left" viewBox="0 0 16 16">
        <path fill-rule="evenodd" d="M15 8a.5.5 0 0 0-.5-.5H2.707l3.147-3.146a.5.5 0 1 0-.708-.708l-4 4a.5.5 0 0 0 0 .708l4 4a.5.5 0 0 0 .708-.708L2.707 8.5H14.5A.5.5 0 0 0 15 8"/>
      </svg>

      <span class="d-none d-md-block">Previous</span>
    </a>

      <!-- prettier-ignore -->
      <a
        {% if page.next_page %}href="{{ page.next_page.url|url }}"{% endif %}
        {% if not page.next_page %}disabled{% endif %}
        class="btn btn-sm btn-secondary d-flex gap-1"
      >
      <span class="d-none d-md-block">Next</span>

      <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-arrow-right" viewBox="0 0 16 16">
        <path fill-rule="evenodd" d="M1 8a.5.5 0 0 1 .5-.5h11.793l-3.147-3.146a.5.5 0 0 1 .708-.708l4 4a.5.5 0 0 1 0 .708l-4 4a.5.5 0 0 1-.708-.708L13.293 8.5H1.5A.5.5 0 0 1 1 8"/>
      </svg>
    </a>

      <!-- prettier-ignore -->
      <a
        class="btn btn-primary btn-sm"
        href="https://github.com/encode/django-rest-framework/tree/master"
        >
        <span>Github</span>
        </a
      >
    </div>

    <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>

    <!-- Main navigation -->

    <div class="collapse navbar-collapse" id="navbarSupportedContent">
      {% if nav|length>1 %}
      <ul class="navbar-nav me-auto mb-2 mb-lg-0">
        {% for nav_item in nav %} {% if nav_item.children %}
        <li class="nav-item dropdown">
          <a
            class="nav-link dropdown-toggle"
            href="#"
            role="button"
            data-bs-toggle="dropdown"
            aria-expanded="false"
          >
            {{ nav_item.title }}
          </a>
          <ul class="dropdown-menu">
            {% for nav_item in nav_item.children %}
            <li>
              <!-- prettier-ignore -->
              <a {% if nav_item.active %} class="dropdown-item active" {% else %} class="dropdown-item" {% endif %}
              href="{{ nav_item.url|url }}">{{ nav_item.title }}</a>
            </li>
            {% endfor %}
          </ul>
        </li>

        {% else %}
        <li class="nav-item">
          <!-- prettier-ignore -->
          <a {% if nav_item.active %} class="nav-link active" {% else %} class="nav-link" {% endif %}
          aria-current="page" href="{{ nav_item.url|url }}">{{ nav_item.title }}</a>
        </li>
        {% endif %} {% endfor %}
      </ul>
      {% endif %}
    </div>
  </div>
</nav>