treehouse/template/components/_doc.hbs

<main class="doc">
    <div class="vertical-center">
        <article class="doc-text">
            {{#if (ne page.tree_path 'index')}}
            <header>
                <h1 class="page-title"><a href="{{ config.site }}/{{ page.tree_path }}">{{ page.title }}</a></h1>
                {{#if page.updated}}
                <time datetime="{{ page.updated }}">{{ iso_date page.updated }}</time>
                {{/if}}
                <div class="metadata">
                </div>
            </header>
            {{/if}}

            {{{~ page.doc }}}
        </article>

        {{> components/_footer.hbs }}
    </div>

    {{> components/_feed.hbs }}
</main>