html,body {
	height: 100%;
}


* html .layer_board_bg,
* html .layer_board {
	position: absolute;
}
#layer_board_area{
	position:relative;
}
.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%;
	bottom:80px;
	margin: 0px 0px 0px -155px;
	
	text-align: center;
	z-index: 2000;
}
.modal_main{
}
.modal_main img{
	width:80%;
}
.btn_close{
	position:absolute;
	top:-5%;
	right:5%;
	z-index:2100;
}
.btn_close img{
	width:50%;
}