.top-banner {
	position: absolute;
	left: 0px;
	top: 0px;
	z-index: 1;
}
.content {
	position: absolute;
	left: 0px;
	top: 112px;
	z-index: 1;
	width: 785px;
}
.main-nav {
	position: absolute;
	left: 4px;
	top: 84px;
	z-index: 10;
}
.airplane {

	position: absolute;
	left: 631px;
	top: -68px;
	z-index: 20;
}