| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> |
| <html xmlns="http://www.w3.org/1999/xhtml"> |
| <head> |
| <title>CSS Test: Relative Positioning - overconstrained top = -bottom</title> |
| <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact"/> |
| <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-09-25 --> |
| <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#relative-positioning" /> |
| <link rel="match" href="relpos-calcs-001-ref.xht" /> |
| |
| <meta name="flags" content="" /> |
| <meta name="assert" content="For a relatively positioned element, if |
| neither 'top' nor 'bottom' is 'auto', used value of 'bottom' is minus the |
| value of 'top'." /> |
| <style type="text/css"> |
| div { |
| height: 80px; |
| width: 120px; |
| } |
| .outer { |
| background: green; |
| position: relative; |
| top: 50%; |
| bottom: 50%; |
| |
| /* |
| div.outer's used top value is 40px |
| div.outer's used bottom value is -40px |
| div.outer's computed top value is 50% |
| div.outer's computed bottom value is 50% |
| */ |
| |
| } |
| .inner { |
| background: green; |
| position: relative; |
| bottom: inherit; /* using inheritance to test computed vs. used */ |
| /* div.inner's bottom inherits div.outer's computed bottom value */ |
| } |
| .control { |
| background: red; |
| margin-top: -80px; |
| height: 120px; |
| } |
| </style> |
| </head> |
| <body> |
| <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> |
| <div class="container"> |
| <div class="outer"> |
| <div class="inner"></div> |
| </div> |
| </div> |
| <div class="control"></div> |
| </body> |
| </html> |
