try basurl

Author: danadoherty639

docs/index.html

@@ -14,13 +14,13 @@
     <meta name="author" content="">    
     <link href='//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800' rel='stylesheet' type='text/css'>
     <!-- Global CSS -->
-    <link rel="stylesheet" href="{{ site.url }}/assets/plugins/bootstrap/css/bootstrap.min.css">   
+    <link rel="stylesheet" href="{{ site.baseurl }}/assets/plugins/bootstrap/css/bootstrap.min.css">   
     <!-- Plugins CSS -->    
     <link rel="stylesheet" href="assets/plugins/font-awesome/css/font-awesome.css">
     <link rel="stylesheet" href="assets/css/monokai.css">
 
     <!-- Theme CSS -->
-    <link id="theme-style" rel="stylesheet" href="{{ site.url }}assets/css/styles.css">
+    <link id="theme-style" rel="stylesheet" href="{{ site.baseurl }}assets/css/styles.css">
     <!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries -->
     <!--[if lt IE 9]>
       <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>