{%- assign default_paths = site.pages | map: “path” -%} {%- assign page_paths = site.header_pages | default: default_paths -%} <nav class=“navbar navbar-light bg-light sticky-top d-md-none”>

<button class="navbar-toggler" type="button" data-toggle="collapse" data-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 mr-auto">
        <li class="nav-item py-2">
            <a class="nav-link" href="{{ "/" | relative_url }}">
                Home
            </a>
        </li>
        {%- for path in page_paths -%}
            {%- assign my_page = site.pages | where: "path", path | first -%}
            {%- if my_page.title -%}
                <li class="nav-item py-2">
                    <a class="nav-link" href="{{ my_page.url | relative_url }}">
                        {{ my_page.title | escape }}
                    </a>
                </li>
            {%- endif -%}
        {%- endfor -%}
    </ul>
</div>

</nav>