94 lines
2.8 KiB
HTML
94 lines
2.8 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>CSS Test: Absolutely positioned inline-block element with percentage based height set to 'auto' and over-constrained values</title>
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<link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
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<link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-09-05 -->
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<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-replaced-height" />
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<link rel="match" href="absolute-replaced-height-012-ref.xht" />
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<meta name="assert" content="An absolutely positioned inline-block replaced element with percentage height resolves based on the containing block height when such height can be resolved." />
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<style type="text/css">
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#div1
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{
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position: relative;
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height: 2in;
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}
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div div
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{
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border: solid green;
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height: 1in;
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position: absolute;
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top: 1in;
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width: 300px;
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}
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iframe
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{
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border: solid red;
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bottom: 1in;
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margin-bottom: 0.5in;
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margin-top: 0.5in;
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position: absolute;
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top: 0.5in;
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width: auto;
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}
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/*
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0.5in : 'top'
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+
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0.5in : 'margin-top'
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+
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3px : 'border-top-width' medium which is often resolved as 3px
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+
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0 : 'padding-top'
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+
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1in : 'height' 50% of height of containing block
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+
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0 : 'padding-bottom'
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+
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3px : 'border-bottom-width' medium which is often resolved as 3px
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+
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0.5in : 'margin-bottom'
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+
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1in : 'bottom'
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================
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342px : height of containing block (192px)
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So, bottom has to be ignored and forced to have the value that
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will balance the equation. So, this brings up
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0.5in : 'top'
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+
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0.5in : 'margin-top'
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+
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3px : 'border-top-width' medium which is often resolved as 3px
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+
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0 : 'padding-top'
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+
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1in : 'height' 50% of height of containing block
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+
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0 : 'padding-bottom'
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+
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3px : 'border-bottom-width' medium which is often resolved as 3px
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+
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0.5in : 'margin-bottom'
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+
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(solve) : 'bottom'
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================
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-246px : height of containing block (192px)
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So, the solved bottom value should be -54px .
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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 there is <strong>no red</strong>.</p>
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<div id="div1">
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<iframe height="50%"></iframe>
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<div></div>
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</div>
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</body>
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</html>
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