#Download {
	width: 1200px;
    height: 290px;
    text-align: center;
    position: absolute;
    top: 752px;
    left: 50%;
    margin-left: -262px;
    z-index: 51;
    border-radius: 5px;
}
#Download .btn_down_s1 {
	float: left;
	width: 80px;
	height: 250px;
	text-indent: -999em;
	margin-left: 0px;
}
#Download .btn_down_s2 {
	float: left;
	width: 80px;
	height: 250px;
	text-indent: -999em;
	margin-left: 66px;
}
#Download .btn_down_s3 {
	float: left;
	width: 80px;
	height: 250px;
	text-indent: -999em;
	margin-left: 73px;
}
#Download .btn_down_s4 {
	float: left;
	width: 80px;
	height: 250px;
	text-indent: -999em;
	margin-left: 67px;
}