blog/.themes/classic/source/_includes/navigation.html

<ul role="subscription" data-subscription="rss{% if site.subscribe_email %} email{% endif %}">
  <li><a href="{{ site.subscribe_rss }}" rel="subscribe-rss" title="subscribe via RSS">RSS</a></li>
  {% if site.subscribe_email %}
    <li><a href="{{ site.subscribe_email }}" rel="subscribe-email" title="subscribe via email">Email</a></li>
  {% endif %}
</ul>
<form action="{{ site.simple_search }}" method="get">
  <fieldset role="site-search">
    <input type="hidden" name="q" value="site:{{ site.url | shorthand_url }}" />
    <input class="search" type="text" name="q" results="0" placeholder="Search"/>
  </fieldset>
</form>
<ul role=main-navigation>
  <li><a href="{{ root_url }}/">Blog</a></li>
  <li><a href="{{ root_url }}/blog/archives">Archives</a></li>
</ul>