a.button {
	display:block;
	width: 141px;
	height: 30px;
	margin: 0.4em;
	text-align:center;
	text-decoration: none;
	color: #FFFFFF;
	background: url(../images/layout/bg_bot.gif) no-repeat 0 0;
	font-family: "Trebuchet MS", Arial, sans-serif;
	font-size: 12px;
	line-height: 30px;
	font-weight: bold;
}
a.button:hover{
	background-position:0 -30px;
	color: #FFFF00
}