posts/templates/layout.html

<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>{{block "title" .}}{{.Site}}{{end}}</title>
<link rel="stylesheet" href="{{.CSS}}">
<link rel="alternate" type="application/rss+xml" title="{{.Site}}" href="/feed.xml">
</head>
<body>
<header class="site">
  <a class="home" href="/">{{.Config.HomeText}}</a>
  <nav><a href="/about">About</a></nav>
</header>
<main>
{{template "content" .}}
</main>
<footer class="site">
  <a href="/feed.xml">RSS</a>
</footer>
</body>
</html>