font {
	font-family: "Trebuchet MS", Tahoma, Verdana, Arial;

}
a {
	color: #666666;
	text-decoration: none;
}
a:hover {
	color: #FF0000;
	text-decoration: underline;
}
div {
	line-height: 26px;
}
.invisibile {
	 display: none;
}
.visibile {
	 display: block;
}