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: fixed;

	left: 50%;

	margin: 20px 0px 0px -395px;



	

	text-align: center;

	z-index: 2000;

}