html,body {
	height: 100%;
}


* html .layer_board_bg,
* html .layer_board {
	position: absolute;
}

.layer_board_bg {
	position: fixed;
	width: 100%;
	height: 100%;
	z-index: 1001;
	top: 0;
	left: 0;
	display: none;
	cursor: pointer;
	background: #000;
}

.layer_board {
	display: none;
	position: fixed;
	left: 50%;
	/*margin: 50px 0px 0px -285px;*/
	top: 50%;
	transform: translate(-50%, -50%);
	text-align: center;
	z-index: 2000;
	max-width: 800px;
	width: 90%;
}

.btn_close{
	top: -40px;
	right: 0;
	color: #fff;
	cursor: pointer;
	position: absolute;
	display: block;
	overflow: visible;
	width: 45px;
	height: 45px;
	transition: color 0.2s;
}

.btn_close:hover{
	color: #95979c;
}

.btn_close::before{
	font-family: Arial, "Helvetica CY", "Nimbus Sans L", sans-serif !important;
	font-size: 45px;
	line-height: 45px;
	position: absolute;
	top: 0;
	left: 0;
	display: block;
	width: 45px;
	content: "\00d7";
	text-align: center;
}