#ground {
	background: url(bg.jpg) 0 0 repeat #553;
	width: 3840px;
	height: 3840px;
	scrollbar-width: none;
	-ms-overflow-style: none;
}
#cityscape {
    background: url(cityscape.png) 0 0 no-repeat;
    width: 3840px;
    height: 950px;
    position: absolute;
    margin: 2890px 0 0 0;
    z-index: 4;
}
#atlas-check {
    position: absolute;
    width: 3000px;
    height: 3000px;
}
.debug #atlas-check {
    background-color: #0FF;
    opacity: 0.5;
}