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-031.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 - child has no clearance</title> <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins" /> <link rel="match" href="margin-collapse-031-ref.xht" /> <meta name="assert" content="The top margin of an in-flow block-level element is adjoining to its first in-flow block-level child's top margin if the element has no top border, no top padding, and the child has no clearance." /> <style type="text/css"><![CDATA[ body { background-color: white; margin: 8px; } div#parent-block-container { background-color: red; margin: 0px; width: 100%; } div#child-block { background-color: green; color: white; margin: 100px 0px; } ]]></style> </head> <body> <div id="parent-block-container"> <div id="child-block"> Test passes if there is <strong>no red</strong>. </div> </div> </body> </html>
/css/CSS2/floats-clear/margin-collapse-031-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 { background-color: green; color: white; margin-top: 100px; } ]]></style> </head> <body> <div>Test passes if there is <strong>no red</strong>.</div> </body> </html>