Change outline:none to outline:0 to avoid obscure Opera CSS transition bug

Author: necolas

style.css

@@ -32,7 +32,7 @@ a:focus {
 
 a:hover,
 a:active {
-    outline: none;
+    outline: 0;
 }
 
 a:hover, 
@@ -164,4 +164,4 @@ p {
     .fork {
         display: none;
     }
-}
+}