_layouts/default.html
<!DOCTYPE html>
<!--[if lt IE 9]><html class="lt-ie9"><![endif]-->
<!--[if gt IE 8]><!--><html lang="en"><!--<![endif]-->
{% include head.html %}
<body class="{% if page.type == "tag"%}tag-{% endif %}page-{{ page.title | slugify }}
{% if page.header_border == true or layout.header_border == true %}header_border{% endif %} {% if page.path contains '_posts' %}single-post{% endif %}">
{% unless layout.title == '18F UI Styleguide' %}
{% include header.html %}
{% endunless %}
<div class="main-content" id="main-content">
{{ content }}
</div>
{% unless layout.title == '18F UI Styleguide' %}
{% include navigation.html drawer=true %}
{% include navigation.html footer=true %}
{% endunless %}
{% include javascript.html %}
{% jekyll_pages_api_search_load %}
</body>
</html>