<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>{% if page.title %}{{ page.title }}{% else %}{{ site.title }}{% endif %}</title>
  <link href="//fonts.googleapis.com/css?family=Merriweather:300italic,300" rel="stylesheet" type="text/css">
  <link href="//fonts.googleapis.com/css?family=Berkshire+Swash" rel="stylesheet" type="text/css">
  <link href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet">
  <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
  <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">
  <link rel="stylesheet" href="{{ "/css/main.css" | absolute_url }}">
</head>

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>{% if page.title %}{{ page.title }}{% else %}{{ site.title }}{% endif %}</title>
  <link href="//fonts.googleapis.com/css?family=Merriweather:300italic,300" rel="stylesheet" type="text/css">
  <link href="//fonts.googleapis.com/css?family=Berkshire+Swash" rel="stylesheet" type="text/css">
  <link href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet">
  <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
  <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">
  <link rel="stylesheet" href="{{ "/css/main.css" | relative_url }}">
</head>

Use relative instead of absolute url for CSS
Use relative instead of absolute url for CSS
