body {
	background-image: url(http://www.cinemablend.com/images/top/invadersBG-top.png);
	background-repeat: no-repeat;
	background-position: center top;
	background-color: #fff;
}
#bgTopDiv {
background-image: url(http://www.cinemablend.com/images/top/invadersBG-bottom.png);
background-repeat: no-repeat;
background-position: center bottom -300px;
height: 100%;
}