.layer_board_bg {
	position: fixed;
	width: 100%;
	height: 100%;
	z-index: 11000;
	top: 0;
	left: 0;
	display: none;
	cursor: pointer;
	background: #000;
}
.layer_board {
	display: none;
	position: fixed;
	z-index: 12000;
	width: 320px;
	height: 430px;
	top: 50%;
    left: 50%;
    transform: translateY(-50%) translateX(-50%);
	background-color: #fff;
}
.btn_close {
	position: absolute;
	z-index: 13000;
	display: block;
	line-height: 0;
	top: -10px;
	right: -10px;
}
.layer_board_btn {
	position: absolute;
	z-index: 13000;
	display: block;
	line-height: 0;
	bottom: 30px;
    left: 50%;
    transform: translateY(0) translateX(-50%);
}
.layer_board_img {
	position: relative;
	z-index: 12000;
}

@media only screen and ( max-width : 736px ) {
.layer_board {
	width: 90%;
	height: auto;
}
.layer_board_btn {
	bottom: 40px;
}
.layer_board_img img {
	width: 100%;
	height: auto;
}
}