html,body {
	height: 100%;
}


* html .layer_board_bg,
* html .layer_board {
	position: absolute;
}
layer_board_area{
		max-width: 100%;
	max-height: 100%;

}
.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: 50%;
	margin: 50px 0px 0px -350px;
	
	text-align: center;
	z-index: 2000;
}

@media screen and (max-width: 568px){
	.layer_board {
	margin: 100px 0px 0px -50%;

 	}
 	.layer_board img{
	width:97%;
	height:auto;
}
 .btn_close img{
	width:40px;
	height:auto;
}
}