#top {
		position: fixed;
		left: 0;
		right: 0;
		height: 40%;
	}

	#bottom {
		position: fixed;
		left: 0;
		right: 0;
		height: 60%;
	}

	#top {
		top: 0;
		background-color: orange;
	}

	#bottom {
		bottom: 0;
		background-color: green;
	}