36 lines
1.6 KiB
HTML
36 lines
1.6 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: Absolutely positioned, non-replaced elements, vertical centering</title>
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<link rel="author" title="Microsoft" href="http://www.microsoft.com/">
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<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-height">
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<meta name="flags" content="">
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<meta name="assert" content="An absolutely positioned non-replaced element's padding box (which is the area painted by background-color of the element) will be vertically centered within its containing block only if both 'margin-top' and 'margin-bottom' have equal values and if 'top' and 'bottom' have equal values. An absolutely positioned non-replaced element's margin box will be vertically centered within its containing block only if 'top' and 'bottom' have equal values.">
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<style type="text/css">
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#div1
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{
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border: solid black;
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height: 3in;
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position: relative;
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width: 3in;
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}
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div div
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{
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background: blue;
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bottom: 0.5in;
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height: 1in;
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margin-bottom: auto;
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margin-top: auto;
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position: absolute;
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top: 0.5in;
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width: 100%;
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}
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</style>
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</head>
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<body>
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<p>Test passes if the blue box is vertically centered in the black box.</p>
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<div id="div1">
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<div></div>
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</div>
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</body>
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</html> |