body {
    background-image: url(../_img/top_bak.jpg);
	background-color: #000000;
	padding: 0;
	text-align: center;
	margin-top: 0;
	margin-right: auto;
	margin-bottom: 0;
	margin-left: auto;
}

#building {
	position:relative;
	width: 900px;
	padding: 0;
	height: 688px;
	margin-top: 0;
	margin-right: auto;
	margin-bottom: 0;
	margin-left: auto;
}

#header {
	margin: 0;
	padding: 0;
	height: 25px;
	width: 900px;
	float: left;
}


#content .btn {
	float: left;
	height: 100px;
	width: 200px;
	padding-top: 150px;
}
#content #logo {
	float: left;
	height: 400px;
	width: 270px;
}


#content {
	height:650px;
	overflow:hidden;
	clear:both;
	background-image: url(../_img/top.jpg);
	width: 900px;
	background-repeat: no-repeat;
	display: block;
	float: left;
	margin-top: 25px;
	padding-top: 100px;
	text-align: center;
	padding-left: 115px;
}
h1 {
	display: none;
}