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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>CSS Test: inherit applied on padding set with em</title>
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
<link rel="help" title="8.4 Padding properties" href="http://www.w3.org/TR/CSS21/box.html#padding-properties" />
<link rel="help" title="4.3.2 Length" href="http://www.w3.org/TR/CSS21/syndata.html#length-units" />
<link rel="help" title="6.2.1 The 'inherit' value" href="http://www.w3.org/TR/CSS21/cascade.html#value-def-inherit" />
<link rel="help" href="http://www.w3.org/TR/css-cascade-3/#inherit" />
<link rel="help" href="http://www.w3.org/TR/css-cascade-4/#inherit" />
<link rel="match" href="padding-em-inherit-001-ref.xht" />
<meta content="The 'em' unit is equal to the computed value of the 'font-size' property of the element on which it is used. When inherit keyword is used, the property takes the same computed value - a length value in this testcase - as the property for the element's parent." name="assert" />
<meta content="image" name="flags" />
<style type="text/css"><![CDATA[
body {margin: 8px;}
p
{
font: 1em/1.25 serif;
margin: 1em 0em;
}
div#grand-parent
{
font-size: 32px;
width: 400px;
}
div#parent
{
background-color: green;
font-size: 24px;
padding: 2em 3em 1em 4em; /* 48px 72px 24px 96px */
}
div#child
{
font-size: 40px;
padding: inherit;
/*
What is inherited is a computed length value:
so it is 48px 72px 24px 96px and not 80px 120px 40px 160px
*/
}
div#abs-pos-overlapping-green
{
left: 200px;
/*
8px (body's margin-left)
+
96px (#parent's padding-left)
+
96px (#child's padding-left)
==================
200px
*/
position: absolute;
top: 168px;
}
/*
max(8px, 16px) (margin collapsing between body's margin-top and p's margin-top)
+
20px (first line)
+
20px (second line)
+
16px (p's margin-bottom)
+
48px (#parent's padding-top)
+
48px (#child's padding-top)
==================
168px
*/
]]></style>
</head>
<body>
<p>Test passes if there is a filled<br />
green rectangle and no red.</p>
<div id="grand-parent">
<div id="parent">
<div id="child"><img src="support/100x100-red.png" alt="Image download support must be enabled" /></div>
</div>
</div>
<div id="abs-pos-overlapping-green"><img src="support/swatch-green.png" width="100" height="100" alt="Image download support must be enabled" /></div>
</body>
</html>
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