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39 lines
585 B
HTML
39 lines
585 B
HTML
<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<style>
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body {
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height: 50px;
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-moz-column-count: 2;
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}
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.container {
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height: 10px;
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}
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.overflow {
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height: 100px;
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}
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.bb {
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border-bottom: solid 4px magenta;
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}
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</style>
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<script>
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function boom()
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{
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document.getElementById("x").setAttribute("class", "");
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document.getElementById("y").setAttribute("class", "bb");
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}
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</script>
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</head>
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<body onload="boom();">
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<div class="container"><div class="overflow" id="x"></div></div>
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<div id="y"></div>
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<div class="container"><div class="overflow"></div></div>
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</body>
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</html>
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