abs-pos-non-replaced-vlr-041.xht (2863B)
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 'width' and 'right' are 'auto' and 'left' is not '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-vlr-009-ref.xht" /> 13 14 <meta name="flags" content="ahem image" /> 15 <meta name="assert" content="When 'direction' is 'ltr' and 'width' and 'right' are 'auto' and 'left' is not 'auto', then 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-2col-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: 1em; 35 position: absolute; 36 right: auto; 37 width: auto; 38 writing-mode: vertical-lr; 39 } 40 41 /* 42 43 " 44 3. 'width' and 'right' are 'auto' and 'left' is not 'auto', then the width is shrink-to-fit . Then solve for 'right' 45 " 46 47 'left' + 'margin-left' + 'border-left-width' + 'padding-left' + 'width' + 'padding-right' + 'border-right-width' + 'margin-right' + 'right' = width of containing block 48 49 So: 50 51 80px : left 52 + 53 0px : margin-left 54 + 55 0px : border-left-width 56 + 57 0px : padding-left 58 + 59 (shrink-to-fit) : width: auto 60 + 61 0px : padding-right 62 + 63 0px : border-right-width 64 + 65 0px : margin-right 66 + 67 (solve) : right: auto 68 ===================== 69 320px : width of containing block 70 71 gives us: 72 73 80px : left 74 + 75 0px : margin-left 76 + 77 0px : border-top-width 78 + 79 0px : padding-top 80 + 81 80px : (shrink-to-fit) : width: auto 82 + 83 0px : padding-right 84 + 85 0px : border-right-width 86 + 87 0px : margin-right 88 + 89 (solve) : right: auto 90 ===================== 91 320px : width of containing block 92 93 And so computed right value must be 160px . 94 */ 95 96 ]]></style> 97 98 </head> 99 100 <body> 101 102 <p><img src="support/pass-cdts-abs-pos-non-replaced.png" width="246" height="36" alt="Image download support must be enabled" /></p> 103 104 <div id="containing-block">1 2 34<span>X</span></div> 105 106 </body> 107 </html>