*{margin:0; padding:0}

body{background:#000}

.Layer{
	width:1000px;
	height:550px;
	margin:0 auto;
	padding:55px 0 0;
}

.Button{
	width:127px;
	height:32px;
	padding:10px 0 0;
	margin:0 auto;
}

.Button a{
	display:block;
	width:127px;
	height:22px;
	background:url(../images/introBtn.png) 0 0 no-repeat;
}

.Button a:hover{background-position:left bottom}