Load all the common CSS files from static

www/index.html

@@ -27,11 +27,10 @@
 				var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
 			})();
 		</script>
-		
-		<link rel="stylesheet" type="text/css" href="libs/common.css" />
-		<link rel="stylesheet" type="text/css" href="libs/chat.css" />
 
         <link rel="stylesheet" type="text/css" href="https://static.ubuntu-it.org/fonts/ubuntu/include.min.css">
+        <link rel="stylesheet" type="text/css" href="https://static.ubuntu-it.org/themes/light/common.min.css">
+		<link rel="stylesheet" type="text/css" href="libs/chat.css" />
 
     <script type="text/javascript">accessibility();</script>
 

www/libs/chat.css

 /* Start entries From planet.ubuntu.com */
 
 body * {
-    font-family: Ubuntu,"Ubuntu Beta",UbuntuBeta,"Bitstream Vera Sans","DejaVu Sans",Tahoma,sans-serif !important;
+    font-family: "Ubuntu", sans-serif !important;
 }
 
 #content * {
-	font-family: Ubuntu Light,"Ubuntu Light",UbuntuLight,"Bitstream Vera Sans","DejaVu Sans",Tahoma,sans-serif !important;
+	font-family: "Ubuntu", sans-serif !important;
 	font-weight: 300;
 	font-size: 15px;
 	line-height: 1.45em;
 }
 
 a {
-	outline: none; 
+	outline: none;
     -moz-outline-style: none;
 }