Add styles for aside elements

[waldyrious]

Here's an example:

aside {
	float: right;
	background: #def;
	border-left: 1px solid #789;
	width: 50%;
	font-size: 90%;
	padding: 0.5em 1em;
	margin: 0.3em -4em 0px 2em;
}

Result, in the "paper-like" mode for this article: