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-015.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 with clearance - Margins collapsing of an element's top margin with its first in-flow child should not be affected by clear and clearance</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="Bruno Fassino" href="fassino[at]gmail.com" /> <link rel="match" href="margin-collapse-clear-015-ref.xht" /> <meta content="When an element with clear set to it (to other than 'none') has a first in-flow child and their top margins are adjoining, then these margins should collapse normally." name="assert" /> <style type="text/css"><![CDATA[ #rel-pos-wrapper {position: relative;} #parent-lime { background-color: lime; border-top: black solid 1px; width: 50%; } #float-left-blue { background-color: blue; float: left; height: 100px; width: 100px; } #clear-left {clear: left;} #clear-left > div { background-color: aqua; height: 60px; margin-top: 140px; } #next-yellow { background-color: yellow; height: 100px; } .ref-overlapped-red { background-color: red; left: 0; position: absolute; z-index: -1; } #ref1 { height: 200px; top: 1px; width: 50%; } #ref2 { height: 100px; top: 201px; width: 100%; } ]]></style> </head> <body> <p>Test passes if there is <strong>no red</strong>.</p> <div id="rel-pos-wrapper"> <div id="parent-lime"> <div id="float-left-blue"></div> <div id="clear-left"> <div></div> </div> </div> <div id="next-yellow"></div> <!-- #ref1 and #ref2 boxes create a sort of 'reference rendering' where #ref1 should be covered, overlapped by #parent-lime while #ref2 should be covered, overlapped by #next-yellow. --> <div id="ref1" class="ref-overlapped-red"></div> <div id="ref2" class="ref-overlapped-red"></div> </div> </body> </html>
/css/CSS2/floats-clear/margin-collapse-clear-015-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="Bruno Fassino" href="fassino[at]gmail.com" /> <style type="text/css"><![CDATA[ div#lime { background-color: lime; border-top: black solid 1px; height: 140px; width: 50%; } div#aqua { background-color: aqua; height: 60px; width: 50%; } div#yellow { background-color: yellow; height: 100px; } ]]></style> </head> <body> <p>Test passes if there is <strong>no red</strong>.</p> <div id="lime"><img src="support/swatch-blue.png" height="100" width="100" alt="Image download support must be enabled" /></div> <div id="aqua"></div> <div id="yellow"></div> </body> </html>