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56 lines
1.5 KiB
HTML
56 lines
1.5 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<title>CSS Test: Z-index - dynamically setting z-index to bring an element from back to in front of</title>
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<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
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<link rel="help" title="Section 9.9.1 Specifying the stack level: the 'z-index' property" href="http://www.w3.org/TR/CSS21/visuren.html#z-index">
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<link rel="match" href="reference/ref-filled-green-100px-square.htm">
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<meta http-equiv="Content-Script-Type" content="text/javascript">
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<meta content="dom" name="flags">
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<meta content="Setting the 'z-index' property of a positioned element can bring it from behind the surface on a lower stack level to a greater stack level passing it in front of another element painted on the surface." name="assert">
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<style type="text/css">
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#test
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{
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background-color: green;
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display: block;
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z-index: -1;
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}
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#red-layer
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{
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background-color: red;
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top: -100px;
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z-index: auto;
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}
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#test, #red-layer
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{
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height: 100px;
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position: relative;
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width: 100px;
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}
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</style>
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<script type="text/javascript">
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function fromBottomToTopOfStack()
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{
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document.getElementById("test").style.zIndex = 1;
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}
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</script>
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</head>
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<body onload="fromBottomToTopOfStack();">
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<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
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<div><span id="test"></span></div>
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<div id="red-layer"></div>
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</body>
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</html> |