body {
		width: 960px;
		margin: 2em auto;
		font-family: Arial, sans-serif;
		font-size: 16px;
		line-height: 1.4;
	}

	h1 {
		font-size: 2em;
		font-weight: normal;
		margin: 0 0 1rem 0;
	}

	aside {
		float: right;
		font-size: 24px;
		font-family: Georgia, Serif;
		font-style: italic;
		background-color: #aaa;
		color: #fff;
		padding: 1.5rem;
		width: 15rem;
	}

	section {
		padding: 2rem;
		border: 1px solid #ccc;
		margin: 4rem 0;
		background-color: #fff;
	}
	
	section:nth-of-type(2) aside{
		position:relative;	
		top: 137px;
		left: 32px;
	}

	section:nth-of-type(3) aside{
		position: absolute;
		position: fixed;
		top: 0;
		right: 0;
		background-color: green
	}

	section:nth-of-type(4) aside:first-of-type{
		position: absolute;
		left:580px;
		top:2050px;
		background-color: red;
		z-index:2;
	}

	section:nth-of-type(4) aside:last-of-type{
		position:absolute;
		left: 590px;
		top:2060px;
		background-color: black;
		z-index: 1;
	}