.notice {
	position: relative;
	top: 0px;
	left: 0px;
	color: white;
	border: 1px solid red;
	background-color: #FF9D9D;
	margin: 1px 1px 1px 1px;
	padding: 2px 0px 2px 0px;
}

.mainbox {
	position: relative;
	top: 0px;
	width: 700px;
	margin: 0 auto; /* per centrare */
}