_includes/header.html

<nav class="navbar {% if page.header_style %} {{ page.header_style }} {% else %} is-primary {% endif %}">
    <div class="container">
        <div class="navbar-brand">
            <a href="{{ site.baseurl }}/" class="navbar-item {% if page.url == "/" %}is-active{% endif %}">
                <!-- {{ site.title }} -->
                <img src="{{ site.baseurl }}/assets/images/pegasus-icon.png">
            </a>
            <a role="button" class="navbar-burger burger" aria-label="menu" aria-expanded="false" data-target="navMenu">
                <span aria-hidden="true"></span>
                <span aria-hidden="true"></span>
                <span aria-hidden="true"></span>
            </a>
        </div>
        <div class="navbar-menu" id="navMenu">
            <div class="navbar-start">
                {% if site.data.navigation %}
                {% for item in site.data.navigation %}
                {% if item.dropdown %}
                <div class="navbar-item has-dropdown is-hoverable">
                    <a href="{{ item.link | prepend: site.baseurl }}"
                        class="navbar-link {% if item.link == page.url %}is-active{% endif %}">
                        {% if item.icon %}
                        <span class="icon" style="margin-right: .25em">
                            <i class="{{ item.icon }}"></i>
                        </span>
                        {% endif %}
                        <span>{{ item.name }}</span>
                    </a>
                    <div class="navbar-dropdown">
                        {% for subitem in item.dropdown %}
                        <a href="{{ subitem.link | prepend: site.baseurl }}"
                            class="navbar-item {% if subitem.link == page.url %}is-active{% endif %}">{{ subitem.name }}</a>
                        {% endfor %}
                    </div>
                </div>
                {% else %}
                <a href="{{ item.link | prepend: site.baseurl }}"
                    class="navbar-item {% if item.link == page.url %}is-active{% endif %}">
                    {% if item.icon %}
                    <span class="icon" style="margin-right: .25em">
                        <i class="{{ item.icon }}"></i>
                    </span>
                    {% endif %}
                    <span>{{ item.name }}</span>
                </a>
                {% endif %}
                {% endfor %}
                {% endif %}
            </div>
            <div class="navbar-end is-hidden-mobile">
                <div class="navbar-item navbar-searchbox">
                    <div class="field">
                        <div class="control has-icons-right">
                            <input class="input searchbox-input" type="text" placeholder="Search the docs">
                            <span class="border"></span>
                            <span class="icon is-right searchbox-icon">
                                <i class="fas fa-search"></i>
                            </span>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</nav>

{% include algolia.html %}