<a href="{{ page.base_url }}customize">Customize</a>
</li>
</ul>
+ <ul class="nav navbar-nav navbar-right">
+ <li{% if page.slug == "about" %} class="active"{% endif %}>
+ <a href="{{ page.base_url }}about">About</a>
+ </li>
+ </ul>
</nav>
</div>
</header>