A:link {text-decoration:none; color:#000000; }
A:visited {text-decoration:none; color:#000000; }
A:hover	{text-decoration:none; color:red; }
body { 
height:100%;
background-image: url("http://www.kayros.it/img/bgkayros00.jpg"); background-repeat: no-repeat; background-position:top; overflow-y: auto; overflow-x: auto; }