#section1 aside{
	float: right;
}
section{
	position: relative;
}

#section2 aside{
	position: absolute;
	bottom: 0px;
	right: 0px;
}

#section3 aside{
	position: fixed;
	background-color: green;
	top: 0px;
	right: 0px;
}

#section4 #aside1{
	position: absolute;
	background-color: red;
	left: 50%;
	margin-left: -100px;
	margin-top: 50px;
}

#section4 #aside2{
	position: absolute;
	background-color: black;
	left: 50%;
	margin-left: -90px;
	margin-top: 60px;
}