Status: PASS | Duration: 8ms | Subtests: 1/1 | Open test on wpt.live | Open ref on wpt.live | wpt.fyi
/css/CSS2/floats-clear/margin-collapse-clear-016.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: Margin collapsing - margins of a 'collapsed through' box without clearance can collapse with parent block's bottom margin</title> <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins" /> <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <link rel="author" title="Daniel Schattenkirchner" href="mailto:crazy-daniel@gmx.de" /> <link rel="match" href="margin-collapse-clear-016-ref.xht" /> <meta content="An element that does not have clearance applied to it can collapse its top margin with its parent block's bottom margin. Margins of a 'collapsed through' box without clearance applied to it can collapse with its parent block's bottom margin. An element with clear set to it (to other than 'none') can only create a clearance if and when there is a preceding floated block." name="assert" /> <style type="text/css"><![CDATA[ body { background-color: white; } #parent-block { background-color: red; margin-bottom: 0px; } #sibling { background-color: green; height: 100px; } #element-without-clearance-applied { clear: both; margin-top: 100px; } ]]></style> </head> <body> <p>Test passes if there is a wide filled green rectangle and <strong>no red</strong>.</p> <div id="parent-block"> <div id="sibling"></div> <div id="element-without-clearance-applied"></div> </div> <!-- #element-without-clearance-applied's margin-top collapses with #parent-block's margin-bottom: the resulting margin-bottom then collapses with the adjoining white body's margin-bottom --> </body> </html>
/css/CSS2/floats-clear/margin-collapse-clear-016-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/" /> <link rel="author" title="Daniel Schattenkirchner" href="mailto:crazy-daniel@gmx.de" /> <style type="text/css"><![CDATA[ div { background-color: green; height: 100px; } ]]></style> </head> <body> <p>Test passes if there is a wide filled green rectangle and <strong>no red</strong>.</p> <div></div> </body> </html>