a.button
{
	text-decoration:none;
	display:block;
	width:120px;
	height:25px;
	text-align:center;

	color:white;
	line-height:25px;
	font-weight:bold;
	font-size:15px;
	font-family:Arial,sans-serif;
}

a.button:hover
{
	background-position: left -25px;
}

a.green
{
	background:url(button_green.png) top no-repeat;
}

a.blue
{
	background:url(button_blue.png) top no-repeat;
}