relpos-calcs-004.xht (1998B)
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>CSS Test: Relative Positioning - auto right = -left</title> 5 <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact"/> 6 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-09-25 --> 7 <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#relative-positioning" /> 8 <link rel="match" href="relpos-calcs-001-ref.xht" /> 9 10 <meta name="assert" content="For a relatively positioned element, if 'right' 11 is 'auto', its used value is minus the value of 'left'." /> 12 <style type="text/css"> 13 div { 14 height: 120px; 15 width: 120px; 16 margin-right: auto; 17 direction: ltr; 18 } 19 .container { 20 margin-left: -60px; 21 direction: rtl; /* only set RTL on the containing block in question */ 22 } 23 .outer { 24 background: red; 25 position: relative; 26 left: 50%; 27 /* 28 div.outer's used left value is 60px 29 div.outer's right top value is -60px 30 div.outer's computed left value is 50% 31 but 32 div.outer's computed right value is auto and not 50%! 33 */ 34 35 } 36 .inner { 37 background: green; 38 position: relative; 39 right: inherit; /* using inheritance to test computed vs. used */ 40 } 41 .control { 42 background: red; 43 margin-bottom: -120px; 44 } 45 </style> 46 </head> 47 <body> 48 <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> 49 <div class="control"></div> 50 <div class="container" dir="rtl"> 51 <div class="outer" dir="ltr"> 52 <div class="inner"></div> 53 </div> 54 </div> 55 </body> 56 </html>