.mask {
	display: table;
	position: fixed;
	text-align: center;
	top: 0px;
	bottom: 0px;
	width: 100%;
	height: 100%;
	background: rgba(0,0,0,.5);
}

.message-box {
	position: fixed;
	top: 50%;
	left: 0px;
	width: 100%;
	height: 0;
	text-align: center;
	z-index: 10000;
}

.message {
	display: inline-block;
	font-size: 14px;
	color: #FFFFFF;
	background: rgba(0, 0, 0, .8);
	height: 28px;
	line-height: 28px;
	border-radius: 5px;
	-moz-border-radius: 5px;
	-webkit-border-radius: 5px;
	text-align: center;
	padding: 8px;
	box-shadow: 0px 0px 10px #000;
}