io invece lo farei così
codice:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Documento senza titolo</title>
<style type="text/css" media="screen">
.link1:link, .link1:visited {
	text-decoration: none;
	color: blue;
        background-color: white
.link1:hover, .link1:focus {
	color: white;
        background-color: blue;
	outline-style: none
}
</style>
</head>

<body>
Clicca qui
Clicca qui
</body>
</html>