<header class="md-header" data-md-component="header">
    <nav class="md-header-nav md-grid">
        <div class="md-flex">
            <div class="md-flex__cell md-flex__cell--shrink">
                <a href="{{ config.site_url | default(nav.homepage.url, true) | url }}" title="{{ config.site_name }}"
                    class="md-header-nav__button md-logo">
                    {% if config.theme.logo.icon %}
                    <i class="md-icon">{{ config.theme.logo.icon }}</i>
                    {% else %}
                    <img src="{{ config.theme.logo | url }}" width="24" height="24">
                    {% endif %}
                </a>
            </div>
            <div class="md-flex__cell md-flex__cell--shrink">
                <label class="md-icon md-icon--menu md-header-nav__button" for="__drawer"></label>
            </div>
            <div class="md-flex__cell md-flex__cell--stretch">
                <div class="md-flex__ellipsis md-header-nav__title" data-md-component="title">
                    {% block site_name %}
                    {% if config.site_name == page.title %}
                    {{ config.site_name }}
                    {% else %}
                    <span class="md-header-nav__topic">
                        {{ config.site_name }}
                    </span>
                    <span class="md-header-nav__topic">
                        {{ page.title }}
                    </span>
                    {% endif %}
                    {% endblock %}
                </div>
            </div>
            <div class="md-flex__cell md-flex__cell--shrink">
                {% block search_box %}
                {% if "search" in config["plugins"] %}
                <label class="md-icon md-icon--search md-header-nav__button" for="__search"></label>
                {% include "partials/search.html" %}
                {% endif %}
                {% endblock %}
            </div>
            {% if config.repo_url %}
            <div class="md-flex__cell md-flex__cell--shrink">
                <div class="md-header-nav__source">
                    {% include "partials/source.html" %}
                </div>
            </div>
            {% endif %}
        </div>
    </nav>
    <!-- Place this tag in your head or just before your close body tag. -->
    <script async defer src="https://buttons.github.io/buttons.js"></script>
</header>