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-    <script src="https://rawgit.com/TelerikAcademy/Common/master/revealjs-theme/lib/js/html5shiv.js"></script>
+    <script src="https://cdn.jsdelivr.net/gh/TelerikAcademy/Common@master/revealjs-theme/lib/js/html5shiv.js"></script>
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index 261c04e..f2dabc8 100644
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+++ b/resources/03. AJAX-with-ASP.NET-MVC/slides/index.html	
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+  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/TelerikAcademy/Common@master/revealjs-theme/lib/css/github.css">
 
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-    <script src="https://rawgit.com/TelerikAcademy/Common/master/revealjs-theme/lib/js/html5shiv.js"></script>
+    <script src="https://cdn.jsdelivr.net/gh/TelerikAcademy/Common@master/revealjs-theme/lib/js/html5shiv.js"></script>
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@@ -36,12 +36,12 @@
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