body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
	background-color: #000;
}
.mainWindow{
	z-index: 100;
	position: relative;
	width: 1054px;
	height: 700px;
}
.bgWindow{
	z-index: 1;
	position: absolute;
	top: 0px;
	left: 0px;
}