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 {
	display: none;
	position: fixed;
	left:0;
	top:0;
	text-align: center;
	z-index: 2000;
	width: 100%;
	height: 100vh;
	padding: 80px 0 80px 0;
}

.layer_board img{
	height: 100%;
}

@media screen and (max-width: 800px) {
	.layer_board {padding: 20% 0 80px 0;}
	.layer_board img{width: 100%;}
}