popov.link/_includes/header.html

<section class="header">
    <div class="container">
        <div class="content">
            <!-- Username -->
            <a href="{{ site.baseurl | uri_escape }}">
                <div class="name">{{ site.author.name | smartify | strip_html | normalize_whitespace }}</div>
            </a>
            <!-- Navigating -->
            <nav>
                <ul>
                    {% for node in site.pages reversed %} {% if node.sidebar == true %}
                        <li class="nav-item">
                            <a href="{{ node.url | relative_url | uri_escape }}">
                                <span>{{ node.title | smartify | strip_html | normalize_whitespace }}</span>
                            </a>
                        </li>
                    {% endif %} {% endfor %}
                </ul>
            </nav>
        </div>
    </div>
</section>