H1, H2,	H3 {
	align: center; 
	color: navy; 
	font-family: tt; 
	font-weight: bold; 
	font-style: underline; 
	text-decoration: underline; 
	}
A {
	text-decoration: none; 
	font-style: italic; 
	color: navy; 
	}
A:visited {
	text-decoration: none; 
	color: black; 
	}
P.note {
	border: thick; 
	background: #f5f5f5; 
	padding: 3; 
	}
SPAN.heading {
	color: navy; 
	font-family: tt; 
	font-weight: bold; 
	font-style: underline; 
	text-decoration: underline; 
	text-align: center; 
}
SPAN.code {
	color: green;
	font-family: tt;
	font-decoration: underline;
}