ref: b5f39d23b86f9cb83c51da9fe4abb4c19c01c3b7
dir: /examples/blog/layouts/partials/header.includes.html/
<link href="/css/bootstrap.min.css" rel="stylesheet">
<link href="/css/font-awesome.css" rel="stylesheet">
<link href="/css/custom.css" rel="stylesheet">