/* overlay */
#overlay {
	position: absolute;
	margin-left: 50%;
	left: -560px;
	top: 50%;
	transform: translateY(-50%);
	width: 1120px;
	height: 630px;
	background-color: rgba(0, 0, 0, 0.75);
	z-index: 999;
}
#overlay-out {
	position: absolute;
	margin-left: 50%;
	left: -560px;
	top: 50%;
	transform: translateY(-50%);
	width: 1120px;
	height: 630px;
	background-color: rgba(0, 0, 0, 0.75);
	z-index: 999;
	opacity: 0;
}
.overlay-content {
	margin: 80px auto 0 auto;
	width: 600px;
	text-align: center;
}

/* overlay intro text */
.overlay-bottomtext {
	margin: 40px auto 20px auto;
	text-align: center;
}
.overlay-bottomtext h1, .overlay-bottomtext span {
	color: #fff;
}

/* overlay intro button */
.overlay-button {
	margin: 20px auto;
	width: 400px;
	text-align: center;
}