body {
	background: white;
	color: black;
	font-family: sans-serif;
	font-size: 100% ;
}
a:link {
	color: blue ;
	background: transparent ;
}
a:visited {
	color: purple ;
	background: transparent ;
}
a:hover {
	color: black ;
	background: yellow ;
}
a:active {
	color: red ;
	background: transparent ;
}