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;
		}
		section {
			padding: 2rem;
			border: 1px solid #ccc;
			margin: 4rem 0;
			background-color: #fff;
		}

		aside {
			font-size: 24px;
			font-family: Georgia, Serif;
			font-style: italic;
			background-color: #aaa;
			color: #fff;
			padding: 1.5rem;
			width: 15rem;
		}
aside.first {float: right;}
.relative {position: relative;}
aside.second {position: absolute; bottom: 0; right: 0;}
aside.third {position: fixed; background-color: green; top:0; right: 0;}
aside.red {position: absolute; background-color: red;
 z-index: 2; top: 35%; left: 35%;}
aside.black{position: absolute; 
	background-color: black; z-index:1; top: 35%; left: 35%; margin-top:10px; margin-left: 10px;}