/*** CSS3 VQS | Chapter 11 | visualformatting-properties.css ***/

header navigation {
	visibility: hidden; }

aside {
	position: absolute;
	right: 1%;
	top: 120px; }

strong {
	position: relative;
	top: -.15em; }

footer {
	position: fixed;
	bottom: 0;
	left: 0;
	z-index: 99; }

footer ul {
	position: relative;
	top: 10px; }

div.gallery {
	position: relative; }

div.gallery figure {
	position: absolute;
	clip: rect(50px 250px 250px 50px);
	filter: alpha(opacity=0.75);
	opacity: .5; }

div.gallery figure.f1 {
	left: 0;
	top: 0;
	z-index: 3; }
div.gallery figure.f2 {
	left: 150px;
	top:50px;
	z-index: 2; }

div.gallery figure.f3 {
	left: 300px;
	top: 100px;
	z-index: 1; }