views/html-file.hbs
{{> layout_start_document}}
<link rel="stylesheet" href="/public/css/html-file.css">
{{> layout_start_body}}
<main>
<section class="content-controls">
{{> edit_button url=file.editUrl isLink=true}}
{{> back_button}}
</section>
<header>
<h1 id="feature-title" class="title feature-title can-expand interactive">{{file.name}}</h1>
</header>
<section class="html-body">
<iframe src="{{ file.contentUrl }}" />
</section>
</main>
{{> layout_end}}