#Download {
	width: 883px;
	height: 194px;
	text-align: center;
	position: absolute;
	top: 905px;
	left: 50%;
	margin-left: -430px;
	z-index: 51;
	border-radius: 5px;
	background: url() no-repeat left top;
}
#Download .btn_down_s1 {
	animation: sc 2s infinite linear;
	float: left;
	width: 345px;
	height: 97px;
	text-indent: -999em;
	background: url(../images/btn_down1.png) no-repeat left top;
}
#Download .btn_down_s2 {
	animation: sc 2s infinite linear;
	float: left;
	width: 345px;
	height: 97px;
	text-indent: -999em;
	margin-left: 180px;
	background: url(../images/btn_down2.png) no-repeat left top;
}
#Download .btn_down_s1:hover {
	background: url(../images/btn_down1.png) no-repeat left bottom;
}
#Download .btn_down_s2:hover {
	background: url(../images/btn_down2.png) no-repeat left bottom;
}
@keyframes sc {
	0% {
		transform: scale(1);
	}

	50% {
		transform: scale(0.8);
	}

	100% {
		transform: scale(1);
	}
}