#Download {
	width: 930px;
	height: 107px;
	text-align: center;
	position: absolute;
	top: 900px;
	left: 50%;
	margin-left: -414px;
	z-index: 51;
	border-radius: 5px;
}
#Download .btn_down_s1 {
	float: left;
	width: 347px;
	height: 107px;
	text-indent: -999em;
	margin-right: 152px;
	animation: sc 2s infinite linear;
	background: url(../image/down.png) no-repeat left top;
}
#Download .btn_down_s2 {
	float: left;
	width: 347px;
	height: 107px;
	text-indent: -999em;
	margin-left: 10px;
	animation: sc 2s infinite linear;
	background: url(../image/cz.png) no-repeat left top;
}

@keyframes sc {
	0% {
		transform: scale(1);
	}
	50% {
		transform: scale(0.8);
	}
	100% {
		transform: scale(1);
	}
}