.titolo{
	text-align: center;
	color:#000000;
	font-size:50px;
	
}
*{
	font-family:helvetica;
	font-size:22px;
}
.ts{
	font-size:35px;
	color:black;
}
.id{
	color:	#0000ff;
}
.st{
	font-size:17px;
}
.sts{
	font-size:18px;
	color:#0000ff;
}