html, body{
	height: 100%;
	margin:0px;
	padding:0px;
	background-color: #f6f6f6;
}
#base_tb{
	height: 100%;
	width: 100%;
}
#locked_container{
	height: 100%;
}
#page_locked{
	display: block;
	height: 300px;
	width: 500px;
	border: 3px double #ccc;
	background-color: #fff;
}
#txt_d{
	margin-top: 20px;
	font-size: 14px;
}