A:link {
     color: #999999;
     text-decoration: underline
}
a.ipertesto:link {
     color: #999999;
     text-decoration: underline
}
A:visited {
    color: #999999;
    text-decoration: underline
    }
a.ipertesto:visited {
     color: #ff9933;
     text-decoration: underline
}
A:hover {
	color: #ff9933;
    text-decoration: underline
}
A:active {
    color: #ff9933;
    text-decoration: underline
}