Code:\[code\]<h1><a href="http://stackoverflow.com/questions/15712271/#">link</a></h1><script>$("a").click(function (e) { e.preventDefault();});</script>\[/code\]http://jsfiddle.net/U7Y3r/After the link has been clicked, it keeps a small border:
I have seen this under Firefox and Internet Explorer 10. Does not occur under Chrome or without Bootstrap.