#jsmaindiv
{
	background-color:#000000;
	filter:alpha(opacity=50);
	opacity:0.5;
	position:absolute;
	top:0px;
	left:0px;
	width:100%;
	height:100%;
}

#box {
	margin:auto;
	position:absolute;
	min-height:150px;
	background:rgb(255,255,255);
	z-index: 200;
	border-radius:15px;
	box-shadow: 0px 8px 16px #000;
}