.button a {
	display:block;
	background-repeat: no-repeat;
	background-position: center;
	height: 25px;
	font-family: Verdana;
	font-weight: bold; 
	font-size: 12px;
	text-decoration: none;
	text-align:center;
	line-height: 25px;
	color: blue;
	background-color: silver;
	width: 80px;
}
.button a:visited {
	color: navy;
	background-color: silver;
	}
.button a:hover {
	color: silver;
	background-color: white;
	}