html,body {
	height: 100%;
}


* html .layer_board_bg,
* html .layer_board {
	margin:0;
	padding:0;
	position: absolute;
}

.layer_board_bg {
	margin:0;
	padding:0;
	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: 100px 0px 0px -440px;
	
	text-align: center;
	z-index: 2000;
	background: #fff;
	border:10px solid #fff;
}

.btn_close {
	position:absolute;
	margin: 0px 0px 0px 0px;
	text-align: right;
	background: #000;
	right:-10px;
	top:-65px;
}

iframe {
	margin: 0px 0px 0px 0px;
	padding: 0px 0px 0px 0px;
	border:none;
}