<header>

<nav class="navbar navbar-expand-lg navbar-brand-color">
    <a class="navbar-brand" href="{{ site.url }}">
        <img src="{{site.url}}/assets/images/logo.svg" width="35" height="35" alt="{{ site.title }}">
    </a>
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
        <i class="fa fa-bars" aria-hidden="true"></i>
    </button>

    <div class="collapse navbar-collapse" id="navbarSupportedContent">
        <ul class="navbar-nav mr-auto">
            <li class="nav-item active">
                <a class="nav-link" href="{{ site.url }}">Home</a>
            </li>
            {% for link in site.pages %}
                {% if link.title != None %}
                <li class="nav-item">
                    <a class="nav-link" href="{{ link.url }}">{{ link.title }}</a>
                </li>
                {% endif %}
           {% endfor %}
        </ul>
        <div class="d-none d-md-block">
            <ul class="navbar-nav nav-flex-icons">
                {% if site.github_username %}
                     <li class="nav-item">
                        <a class="nav-link" href="https://github.com/{{ site.github_username }}"><i class="fa fa-github"></i></a>
                    </li>
                {% endif %}
                {% if site.twitter_username %}
                    <li class="nav-item">
                        <a class="nav-link" href="https://twitter.com/{{ site.twitter_username }}"><i class="fa fa-twitter"></i></a>
                    </li>
                {% endif %}
                {% if site.medium_username %}
                    <li class="nav-item">
                        <a class="nav-link" href="https://medium.com/@{{ site.medium_username }}"><i class="fa fa-medium"></i></a>
                    </li>
                {% endif %}
                {% if site.facebook_username %}
                    <li class="nav-item">
                        <a class="nav-link" href="https://www.facebook.com/{{ site.facebook_username }}"><i class="fa fa-facebook"></i></a>
                    </li>
                {% endif %}
                {% if site.instagram_username %}
                    <li class="nav-item">
                        <a class="nav-link" href="https://www.instagram.com/{{ site.instagram_username }}"><i class="fa fa-instagram"></i></a>
                    </li>
                {% endif %}
                {% if site.linkedin_username %}
                     <li class="nav-item">
                        <a class="nav-link" href="https://www.linkedin.com/in/{{ site.linkedin_username }}"><i class="fa fa-linkedin"></i></a>
                    </li>
                {% endif %}
            </ul>
        </div>
    </div>
</nav>

</header>