* 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;
	top:50%;
	left: 50%;
	margin: 0;
	cursor: pointer;
	text-align: center;
	z-index: 2000;
	-webkit-transform: translate(-50%,-50%); -moz-transform: translate(-50%,-50%); -ms-transform: translate(-50%,-50%); -o-transform: translate(-50%,-50%); transform: translate(-50%,-50%);
}

.btn_close{
	text-align:right;
}

@media screen and (max-width: 960px) {

.layer_board a img{
	width:96%;
}
.layer_board {
	width:100%;
	left:50%;
}

}