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:absolute;
	left:25%;
	text-align: center;
	margin: 10px 0px 0px 0px;
	z-index: 2000;
}

.layer_board img {
	max-width:800px;
}


.btn_close , .btn_close a{
	width:80%;
	margin:0 auto;
	max-width:150px;
	margin-bottom:5px;
	font-size:24px;
	color:#FFF;
}
/*
@media screen and (min-width:1250px){

.layer_board {
	display: none;
	position: fixed;
	width:40%;
	left:25%;
	text-align: center;
	margin: 10px 0px 0px 0px;
	z-index: 2000;
}

}

@media screen and (min-width:1500px){

.layer_board {
	display: none;
	position: fixed;
	width:33%;
	left:25%;
	text-align: center;
	margin: 10px 0px 0px 0px;
	z-index: 2000;
}

}*/

@media screen and (max-width:767px){

.layer_board {
	display: none;
	position:absolute;
	left:0;
	width:100%;
	margin:0 auto;
	margin: 10px 0px 0px 0px;
	text-align: center;
	z-index: 2000;
}

.banner{
	padding:0 10px;
}

}