{% assign contact_link = "mailto:" | append: site.contact_email %} {% include nav-page-link.html htmlclass="about" url="/about/" title="About" active_for_nested=true %} {% include nav-page-link.html htmlclass="blog" url="/blog/" title="Blog" active_for_nested=true %} {% include nav-page-link.html htmlclass="membership" url="/membership/" title="Membership" active_for_nested=true %} {% include project-nav.html %} {% include nav-page-link.html htmlclass="references" url="/references/" title="References" active_for_nested=true %}