a:link       { color: #000000; text-decoration: none }
a:background     { background-image: url('sfondo_ok.gif');    }
a:visited    { color: #000000; text-decoration: none }
a:active     { color: #000000; text-decoration: none }
a:table      { table-border-color-light: rgb(255,153,51); table-border-color-dark: rgb(0,0,0); text-decoration: none }
a:hover      { color: #000000; font-weight: bold; text-decoration: none;    }