ref: 9c7d6e475cfa5ac847ffa9e0abaed3abc7df9f3d
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">