Remove the dotted line around focused link (ugly to my eyes).

resources/normalize/normalize.css

@@ -79,14 +79,6 @@ body {
    Links
    ========================================================================== */
 
-/**
- * Address `outline` inconsistency between Chrome and other browsers.
- */
-
-a:focus {
-    outline: thin dotted;
-}
-
 /**
  * Improve readability when focused and also mouse hovered in all browsers.
  */