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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 Writing Modes Test: absolutely positioned non-replaced element - 'direction: ltr' and 'left' is 'auto', 'width' and 'right' are not 'auto'</title>
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
<link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#vertical-layout" title="7.1 Principles of Layout in Vertical Writing Modes" />
<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-width" title="10.3.7 Absolutely positioned, non-replaced elements" />
<link rel="match" href="s71-abs-pos-non-replaced-vrl-004-ref.xht" />
<meta name="flags" content="ahem image" />
<meta name="assert" content="When 'direction' is 'ltr' and 'left' is 'auto', 'width' and 'right' are not 'auto', then solve for 'left'." />
<link type="text/css" rel="stylesheet" href="support/ahem.css" />
<style type="text/css"><![CDATA[
div#containing-block
{
background: red url("support/bg-red-3col-2row-320x320.png");
color: transparent;
direction: ltr;
font: 80px/1 Ahem;
height: 320px;
position: relative;
width: 320px;
}
div#containing-block > span
{
background-color: red;
color: green;
left: auto;
position: absolute;
right: 1em;
width: 1em;
-ah-writing-mode: vertical-lr;
-webkit-writing-mode: vertical-lr;
writing-mode: tb-lr; /* IE11 */
writing-mode: vertical-lr;
}
/*
"
4. 'left' is 'auto', 'width' and 'right' are not 'auto', then solve for 'left'
"
'left' + 'margin-left' + 'border-left-width' + 'padding-left' + 'width' + 'padding-right' + 'border-right-width' + 'margin-right' + 'right' = width of containing block
So:
(solve) : left: auto
+
0px : margin-left
+
0px : border-left-width
+
0px : padding-left
+
80px : width
+
0px : padding-right
+
0px : border-right-width
+
0px : margin-right
+
80px : right
=====================
320px : width of containing block
And so computed left value must be 160px .
*/
]]></style>
</head>
<body>
<p><img src="support/pass-cdts-abs-pos-non-replaced.png" width="246" height="36" alt="Image download support must be enabled" /></p>
<div id="containing-block">1 2 34<span>X</span></div>
</body>
</html>
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