Status: PASS | Duration: 9ms | Subtests: 1/1 | Open test on wpt.live | Open ref on wpt.live | wpt.fyi
/css/CSS2/box-display/containing-block-019.xht
<!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: Containing Blocks - Block-level elements position based on left-to-right direction and parent element is absolute</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-07-01 --> <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" /> <link rel="match" href="containing-block-019-ref.xht" /> <meta name="assert" content="When the nearest (closest within document containment hierarchy) positioned ancestor of an absolutely positioned element is a block-level element, then the containing block of such absolutely positioned element is formed by the padding edge of such nearest positioned ancestor." /> <style type="text/css"> div { border: solid black; padding: 1in; position: absolute; width: 0; } span { display: block; } #span1 { direction: ltr; } /* The span#span1 element determines, conditions (§10.3.7 and §10.6.4) the 'top: auto' and 'left: auto' coordinates while the wrapping div's padding box forms the containing block geometry/area. */ span span { background: blue; height: 1in; left: auto; position: absolute; top: auto; width: 1in; } </style> </head> <body> <p>Test passes if a filled blue square is in the <strong>lower-right corner</strong> of an hollow black square.</p> <div> <span id="span1"> <span></span> </span> </div> </body> </html>
/css/CSS2/box-display/containing-block-019-ref.xht
<!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 Reftest Reference</title> <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <style type="text/css"><![CDATA[ div { border: black solid medium; height: 96px; padding-top: 96px; text-align: right; width: 192px; } ]]></style> </head> <body> <p>Test passes if a filled blue square is in the <strong>lower-right corner</strong> of an hollow black square.</p> <div><img src="support/blue15x15.png" width="96" height="96" alt="Image download support must be enabled" /></div> </body> </html>