abs-pos-non-replaced-vrl-004.xht (3310B)
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 2 3 <html xmlns="http://www.w3.org/1999/xhtml"> 4 5 <head> 6 7 <title>CSS Writing Modes Test: absolutely positioned non-replaced element - 'direction: ltr' and 'left', 'width' and 'right' are 'auto'</title> 8 9 <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> 10 <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" /> 11 <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" /> 12 <link rel="match" href="abs-pos-non-replaced-vrl-004-ref.xht" /> 13 14 <meta name="flags" content="ahem image" /> 15 <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'width' and 'right' are 'auto', then set 'left' to the static position, the width becomes shrink-to-fit and then solve for 'right'." /> 16 17 <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> 18 <style type="text/css"><![CDATA[ 19 div#containing-block 20 { 21 background: red url("support/bg-red-3col-2row-320x320.png"); 22 color: transparent; 23 direction: ltr; 24 font: 80px/1 Ahem; 25 height: 320px; 26 position: relative; 27 width: 320px; 28 } 29 30 div#containing-block > span 31 { 32 background-color: red; 33 color: green; 34 left: auto; 35 position: absolute; 36 right: auto; 37 width: auto; 38 writing-mode: vertical-rl; 39 } 40 41 /* 42 " 43 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. 44 45 3. 'width' and 'right' are 'auto' and 'left' is not 'auto', then the width is shrink-to-fit . Then solve for 'right' 46 " 47 48 'left' + 'margin-left' + 'border-left-width' + 'padding-left' + 'width' + 'padding-right' + 'border-right-width' + 'margin-right' + 'right' = width of containing block 49 50 So: 51 52 160px : left: auto: set to static position 53 + 54 0px : margin-left 55 + 56 0px : border-left-width 57 + 58 0px : padding-left 59 + 60 (shrink-to-fit) : width: auto 61 + 62 0px : padding-right 63 + 64 0px : border-right-width 65 + 66 0px : margin-right 67 + 68 (solve) : right: auto 69 ===================== 70 320px : width of containing block 71 72 gives us: 73 74 160px : left: auto: set to static position 75 + 76 0px : margin-left 77 + 78 0px : border-left-width 79 + 80 0px : padding-left 81 + 82 80px : (shrink-to-fit) : width: auto 83 + 84 0px : padding-right 85 + 86 0px : border-right-width 87 + 88 0px : margin-right 89 + 90 (solve) : right: auto 91 ===================== 92 320px : width of containing block 93 94 And so computed right value must be 80px . 95 */ 96 97 ]]></style> 98 99 </head> 100 101 <body> 102 103 <p><img src="support/pass-cdts-abs-pos-non-replaced.png" width="246" height="36" alt="Image download support must be enabled" /></p> 104 105 <div id="containing-block">1 2 34<span>X</span></div> 106 107 </body> 108 </html>