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multicol-rule-color-inherit-001.xht
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multicol-rule-color-inherit-001.xht
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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 Multi-column Layout Test: column-rule-color: inherit</title>
<link rel="author" title="Opera Software ASA" href="http://www.opera.com/" />
<link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-09-02 -->
<link rel="help" href="http://www.w3.org/TR/css3-multicol/#crc" title="4.2. 'column-rule-color'" />
<link rel="help" href="http://www.w3.org/TR/css3-values/#common-keywords" title="3.1.1. CSS-wide keywords: 'initial' and 'inherit'" />
<link rel="match" href="multicol-rule-color-inherit-001-ref.xht" />
<meta name="flags" content="ahem" />
<meta name="assert" content="This test checks that, by default, column-rule-color is the current color applying to the element unless reserved keyword 'inherit' is used in which case column-rule-color will be inherited from the parent's column-rule-color value." />
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style type="text/css"><![CDATA[
div#parent
{
column-rule-color: green;
column-rule-style: none;
font: 1.25em/1 Ahem;
width: 17em;
}
/*
N == 3;
W == max(0, (available-width - ((N - 1) * column-gap)) / N);
W == max(0, (17em - ((3 - 1) * 1em)) / 3);
W == max(0, (17em - (2 * 1em)) / 3);
W == max(0, (17em - 2em) / 3);
W == max(0, 15em / 3);
W == max(0, 5em);
W == 5em;
The height of column rule depends on number of line boxes in
each outer column box which depends on number of line boxes
in each inner column box.
N == 3;
W == max(0, (available-width - ((N - 1) * column-gap)) / N);
W == max(0, (5em - ((3 - 1) * 1em)) / 3);
W == max(0, (5em - (2 * 1em)) / 3);
W == max(0, (5em - 2em) / 3);
W == max(0, 3em / 3);
W == max(0, 1em);
W == 1em;
*/
div
{
color: red; /* both div#parent and div.child have and use 'color: red' */
orphans: 1;
widows: 1;
column-count: 3;
column-gap: 1em;
column-rule-width: 1em;
}
div.child
{
column-rule-color: inherit;
column-rule-style: solid;
font-size: 1em;
}
]]></style>
</head>
<body>
<p>Test passes if there are 6 vertical green stripes and <strong>no red</strong>.</p>
<div id="parent">
<div class="child">
</div>
<div class="child">
</div>
<div class="child">
</div>
</div>
</body>
</html>