body {
	height: 100%;
	text-align: center;
	background-color: black;
}

a {
	color: cornflowerblue;
}

.contenitore {
	position: relative;
	margin-top: 6em;
}

.codice {
	font-weight: bold;
	font-size: 6em;
	color: #f3f3f3;
	z-index: 1;
}

.nota {
	font-style: italic;
	font-size: 1.5em;
	color: #444;
	z-index: 2;
}

.aiuto {
	margin-top: 2.5em;
	font-style: italic;
	font-size: 2em;
	color: #f3f3f3;
	z-index: 1;
}