2007-12-16 07:01:48 +03:00
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<style>
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#a {
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-moz-column-count: 2;
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-moz-column-width: 100px;
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float: left;
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border: 2px solid magenta;
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height: 200px;
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}
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#b {
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-moz-column-count: 2;
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-moz-column-width: 100px;
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float: left;
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border: 2px solid green;
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height: 300px;
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}
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</style>
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</head>
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2019-08-20 00:19:04 +03:00
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<body onload="document.getElementById('span').style.display = '-moz-inline-box';">
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2007-12-16 07:01:48 +03:00
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<div id="a"><div id="b"></div><optgroup label="foo"><span id="span"></span></optgroup></div>
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</body>
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</html>
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