зеркало из https://github.com/mozilla/gecko-dev.git
31 строка
559 B
HTML
31 строка
559 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<!-- The interaction of "static position" with margin collapsing is not well
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defined. In CSS 2.1, there is no hint regarding the expected rendering,
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so this test may turn out invalid. -->
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<style type="text/css">
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#a {
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height: 20px;
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background-color: red;
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margin-bottom: 20px;
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}
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#b {
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height: 20px;
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background-color: green;
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}
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#c {
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width: 20px; height: 20px;
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background-color: blue;
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position: relative;
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top: -10px;
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}
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</style>
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</head>
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<body>
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<div id="a"></div>
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<div id="b"></div>
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<div id="c"></div>
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</body>
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</html>
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