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| 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/x
html1/DTD/xhtml1-strict.dtd"> |
| 2 <html xmlns="http://www.w3.org/1999/xhtml"> |
| 3 <head> |
| 4 <title>CSS Test: Relative Positioning - Computing auto left = -right</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/Brow
serBugsSection/css21testsuite/" /> <!-- 2012-09-25 --> |
| 7 <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#relative-posi
tioning" /> |
| 8 <link rel="match" href="relpos-calcs-001-ref.xht" /> |
| 9 |
| 10 <meta name="flags" content="" /> |
| 11 <meta name="assert" content="For a relatively positioned element, if 'left' |
| 12 is 'auto', its used value is minus the value of 'right'." /> |
| 13 <style type="text/css"> |
| 14 div { |
| 15 height: 120px; |
| 16 width: 120px; |
| 17 } |
| 18 .container { |
| 19 margin-left: -60px; |
| 20 } |
| 21 .outer { |
| 22 background: red; |
| 23 position: relative; |
| 24 right: -50%; |
| 25 /* |
| 26 div.outer's used right value is -60px |
| 27 div.outer's used left value is 60px |
| 28 div.outer's computed right value is -50% |
| 29 but |
| 30 div.outer's computed left value is auto and not 50%! |
| 31 */ |
| 32 |
| 33 } |
| 34 .inner { |
| 35 background: green; |
| 36 position: relative; |
| 37 left: inherit; /* using inheritance to test computed vs. used */ |
| 38 } |
| 39 .control { |
| 40 background: red; |
| 41 margin-bottom: -120px; |
| 42 } |
| 43 </style> |
| 44 </head> |
| 45 <body> |
| 46 <p>Test passes if there is a filled green square and <strong>no red</strong>
.</p> |
| 47 <div class="control"></div> |
| 48 <div class="container"> |
| 49 <div class="outer"> |
| 50 <div class="inner"></div> |
| 51 </div> |
| 52 </div> |
| 53 </body> |
| 54 </html> |
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