.mask {
	top: 0;
	left: 0;
	width: 1000px;
	background-color:#000000;
	position: absolute;
	-moz-opacity:0.10;
	-khtml-opacity: 0.10;
	opacity: 0.10;
	filter: alpha(opacity=10);
}

.popup {
	margin: 0 auto;
	width: 475px;
	border: 1px solid #000000;
	background: #ffffff;
	position: absolute;
	top: 10px;
	left: 27%;
}