nav_a:link {
	font-family: Tahoma, Geneva, sans-serif;
	font-size: 1em;
	color: #333;
	height: auto;
	width: auto;
}
nav_a:visited {
	font-family: Tahoma, Geneva, sans-serif;
	font-size: 10em;
	color: #033;
}
nav_a:hover {
	font-family: Tahoma, Geneva, sans-serif;
	font-size: 1em;
	color: #009;
}
nav_a:active {
	font-family: Tahoma, Geneva, sans-serif;
	font-size: 1em;
	color: #396;
}