relpos-calcs-005.xht (2141B)
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 - overconstrained left = -right (LTR)</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 in an LTR 11 containing block, if neither 'left' nor 'right' is 'auto', used value of 12 'right' is minus the value of 'left'." /> 13 <style type="text/css"> 14 div { 15 height: 120px; 16 width: 80px; 17 direction: rtl; 18 margin-right: auto; 19 } 20 .container { 21 direction: ltr; /* only set LTR on the containing block in question */ 22 } 23 .outer { 24 background: green; 25 position: relative; 26 left: 50%; 27 right: 50%; 28 29 /* 30 div.outer's used left value is 60px 31 div.outer's used right value is -60px 32 div.outer's computed left value is 50% 33 div.outer's computed right value is 50% 34 */ 35 36 } 37 .inner { 38 background: green; 39 position: relative; 40 right: inherit; /* using inheritance to test computed vs. used */ 41 /* div.inner's right inherits div.outer's computed right value */ 42 } 43 .control { 44 background: red; 45 margin-bottom: -120px; 46 width: 120px; 47 } 48 </style> 49 </head> 50 <body> 51 <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> 52 <div class="control"></div> 53 <div class="container" dir="ltr"> 54 <div class="outer" dir="rtl"> 55 <div class="inner"></div> 56 </div> 57 </div> 58 </body> 59 </html>