<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>css3-background: number of background layers determined by background-image</title> <link rel="author" title="L. David Baron" href="https://dbaron.org/" /> <link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" /> <link rel="help" href="http://dev.w3.org/csswg/css3-background/#layering" /> <meta name="flags" content="" /> <style type="text/css"><![CDATA[ div { position: relative; height: 100px; width: 100px; background-repeat: no-repeat; background-position: 10px 10px, 5px 5px, 20px 20px, 15px 15px; background-image: url(aqua-32x32.png); } div.withclass { background-image: url(yellow-32x32.png), url(aqua-32x32.png), url(blue-32x32.png), url(fuchsia-32x32.png), url(red-32x32.png); } div#withid { background-image: url(blue-32x32.png), url(yellow-32x32.png), url(fuchsia-32x32.png); } ]]></style> </head> <body> <div></div> <div class="withclass"></div> <div class="withclass" id="withid"></div> </body> </html>