popov.link/_includes/sidebar.html

<div class="sidebar">
    <div class="container sidebar-sticky">
        <div class="sidebar-about">
            <!-- Header -->
            <h1>
                <a href="{{ site.baseurl }}">
                    {% if page.title == "Home" %}
                        {{ site.title }}
                    {% else %}
                        {{ page.title }}
                    {% endif %}
                </a>
            </h1>

            <!-- Description -->
            <p class="lead">
                {% if page.title == "Home" %}
                    {{ site.description }}
                {% else %}
                    {{ page.description }}
                {% endif %}
            </p>
        </div>

        <!-- Navigation -->
        <nav class="sidebar-nav">
            <a class="sidebar-nav-item {% if page.title == "Home" %}active{% endif %}" href="{{ site.baseurl }}">Домой</a>
            <a class="sidebar-nav-item {% if page.title == " Archive " %}active{% endif %}" href="{{ " /archive " | relative_url }}">Архив записей</a>
            <a class="sidebar-nav-item {% if page.title == " Notes " %}active{% endif %}" href="{{ " /notes " | relative_url }}">Полезные заметки</a>
            <a class="sidebar-nav-item" href="{{ site.github.repo }}">Исходный код</a>
        </nav>

        <!-- Copyright -->
        <p>&copy; {{ site.time | date: "%Y" }}. All rights reserved.</p>
    </div>
</div>