.autor {
	font-family: Arial, Helvetica, sans-serif;
	font-size: x-small;
	color: #333333;
	text-align: right;
}
small {
	font-family: Arial, Helvetica, sans-serif;
	font-size: xx-small;
	color: #333333;
	text-align: center;
}
.spec {
	font-family: Arial, Helvetica, sans-serif;
	font-size: xx-small;
	color: #333333;
	text-align: center;
}