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abs-pos-non-replaced-vlr-011.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 Writing Modes Test: absolutely positioned non-replaced element - 'direction: rtl' and 'left', 'width' and 'right' are '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="abs-pos-non-replaced-vlr-009-ref.xht" />
<meta name="flags" content="ahem image" />
<meta name="assert" content="When 'direction' is 'rtl' and 'left', 'width' and 'right' are 'auto', then set 'right' to the static position, the width becomes shrink-to-fit and then solve for 'left'." />
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style type="text/css"><![CDATA[
div#containing-block
{
background: red url("support/bg-red-2col-2row-320x320.png");
color: transparent;
direction: rtl;
font: 80px/1 Ahem;
height: 320px;
position: relative;
width: 320px;
}
div#containing-block > span
{
background-color: red;
color: green;
left: auto;
position: absolute;
right: auto;
width: auto;
writing-mode: vertical-lr;
}
/*
"
If all three of 'left', 'width', and 'right' are 'auto': First set any 'auto' values for 'margin-left' and 'margin-right' to 0. Then, if the 'direction' property of the element establishing the static-position containing block is 'ltr' set 'left' to the static position and apply rule number three below; otherwise, set 'right' to the static position and apply rule number one below.
1. 'left' and 'width' are 'auto' and 'right' is not 'auto', then the width is shrink-to-fit. 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
+
(shrink-to-fit) : width: auto
+
0px : padding-right
+
0px : border-right-width
+
0px : margin-right
+
160px : right: auto: set to static position
=====================
320px : width of containing block
gives us:
(solve) : left: auto
+
0px : margin-left
+
0px : border-left-width
+
0px : padding-left
+
80px : (shrink-to-fit) : width: auto
+
0px : padding-right
+
0px : border-right-width
+
0px : margin-right
+
160px : right: auto: set to static position
=====================
320px : width of containing block
And so computed left value must be 80px .
*/
]]></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>