views/markdown-file.hbs
{{> layout_start_document}}
<link rel="stylesheet" href="/public/css/markdown-file.css">
<link rel="stylesheet" href="/github-markdown-css/github-markdown.css">
{{> layout_start_body}}
<main>
<section class="content-controls">
{{> edit_button url=file.editUrl isLink=true}}
{{> back_button}}
</section>
<section class="markdown-body">{{{file.html}}}</section>
</main>
{{> layout_end}}