Fix style/worg.css

Thanks to Frédéric de Zorzi for reporting this.

style/worg.css

@@ -4,7 +4,7 @@
 {
     html {
 	margin: 0;
-	font: 300 .9em/1.6em "Droid Serif", Cambria, Georgia, "DejaVu Serif", serif;
+	font: .9em/1.6em "Droid Serif", Cambria, Georgia, "DejaVu Serif", serif;
 	background-image: url(http://orgmode.org/img/org-mode-unicorn-logo-worg.png);
 	background-attachment: fixed;
 	background-position: right bottom;