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; */
	z-index: 10000000000;
	top: 0;
	left: 0;
	display: none;
	cursor: pointer;
	background: #000;
}

.layer_board {
	display: none;
	position: fixed;
	/* left: 50%; */
	/* margin: 50px 0px 0px -400px; */
	/* margin: 50px 0px 0px -285px; */
	text-align: center;
	/* z-index: 2000; */
	z-index: 20000000000;
	top: 50px;
	/* top: 100px; */
	left: 0%;
	right: 0%;
}