ref: 80ebe0578a1b5cbdcb837be4afc5c58aedb8a20a
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">