z-index-abspos-001

CSS: z-index auto, -1 and backgrounds (child)

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 1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
 2 <html lang="en">
 3  <head>
 4   <title>CSS Test: CSS: z-index auto, -1 and backgrounds (child)</title>
 5   <link rel="author" title="Ian Hickson" href="mailto:ian@hixie.ch">
 6   <link rel="alternate" href="http://www.hixie.ch/tests/adhoc/css/box/absolute/z-index/001.html" type="text/html">
 7   <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#z-index">
 8   <link rel="help" href="http://www.w3.org/TR/CSS21/zindex.html#painting-order">
 9   <style type="text/css">
10    .background { position: absolute; height: 150px; width: 400px; background: green; z-index: auto; }
11    .negative { position: absolute; height: 100px; width: 300px; background: red; z-index: -1; }
12   </style>
13  </head>
14  <body>
15   <p>There must be a green box below and no red.</p>
16   <div class="background"> <div class="negative"> </div> </div>
17  </body>
18 </html>