body {
	background-color: white;
	color: #000000;
	font: 12pt American Typewriter;
}
a:link { 
	color: #000000;
	text-decoration: none;
}
a:visited { 
	color: #000000;
	text-decoration: none;
}
a.link:hover { 
	color: #ffffff;
	text-decoration: none;
	background-color: black;
}

a.teacher_link {
	color: white;
}

a.teacher_link:hover {
	color: black;
	background-color: white;
}