added missing link to blog article

Author: Dirk Ginader

index.html

@@ -135,7 +135,7 @@
     <p id="ie8">IE8</p>
     <p id="ie9">IE9+</p>
     <pre>
-        check the code to see how the CSS Hacks work
+        check the code to see how the CSS Hacks work or <a href="http://blog.ginader.de/archives/2009/02/01/CSS-Voodoo-The-dark-art-of-CSS-Hacks.php">Read more about the CSS Hacks used in this Demo here</a>
     </pre>
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 </html>