.top_bg{
	background-repeat: no-repeat;
	position: static;
	margin: 0 auto;
	background-size: 100%;
	background-attachment: fixed;
	background-color: #000000;
}
.contentsarea{
	background-repeat: no-repeat;
	width: 840px;
	height: 600px;
	text-align: center;
	margin: auto auto;
	background-color: #000000;
}
.download{
	width: 840px;
	height: 403px;
	text-align: center;
	padding-top: 150px;
	margin: 0 auto;
	background-image: url(../download/images/download_bg.png);
	background-repeat: no-repeat;
}
.enter{
	width: 100px;
	height: 50px;
	min-width: 0px;
	display: block;
	margin-top: 0px;
	margin-left: auto;
	margin-right: auto;
	padding-top: 15px;
}

.title{
	position: static;
	bottom: 0px;
	margin-top: 107px;
}