html,body {
	height: 100%;
}


* html .layer_board_bg,
* html .layer_board {
	position: absolute;
}

.layer_board_bg {
	position: fixed;
	width: 100%;
	height: 100%;
	
	z-index: 1000;
	
	top: 0;
	left: 0;
	
	display: none;
	cursor: pointer;
	background: #000;
}

.layer_board {
	width: 46%;
	display: none;
	position: fixed;
	left:27%;
	margin-top: 50px;
	text-align: center;
	z-index: 2000;
}

.btn_close {
	width: 80px;
	padding: 5px 0; 
	position: absolute;
	right: 0px;
	top: 0px;
	background-color: #000000;
	opacity: 0.7;
	cursor: pointer;
	text-decoration: none;
}

@media screen and (max-width: 767px) {
	.layer_board{
		width: 86%;
		left:7%;
	}
	.btn_close {
		width: 60px;
	}
}

/*
.layer_board {
	width: 60%;
	display: none;
	position: fixed;
	left: 50%;
	margin: 50px 0px 0px -285px;
	
	text-align: center;
	z-index: 2000;
}
*/