<!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 Writing Modes Test: Clearance calculations - clearing box has larger margin than width of float</title> <!-- This test is the verticalized version of http://test.csswg.org/suites/css2.1/latest/html4/clear-clearance-calculation-003.htm --> <link rel="author" title="GĂ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#vertical-layout" title="7.1 Principles of Layout in Vertical Writing Modes" /> <link rel="match" href="clearance-calculations-vrl-006-ref.xht" /> <meta content="ahem image" name="flags" /> <meta content="This test checks that when a clearing element (in a block formating context with 'writing-mode' set to 'vertical-rl') has a right margin larger than the width of a floated element, then the right margin is collapsed with the margin-left of preceding in-flow sibling. The clearing element is then placed at the point of the resulting collapsed margin." name="assert" /> <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> <style type="text/css"><![CDATA[ div { height: 5em; /* computes to 100px */ } div#parent { background: red url("support/clearance-calculation-vrl-006.png"); font: 20px/1 Ahem; /* computes to 20px/20px */ min-width: 7em; writing-mode: vertical-rl; } div > div { background-color: green; width: 1em; } div#preceding-sibling { margin-left: 1em; } div#floated-left { float: left; } div#clearing-left /* collapsing-through element */ { clear: left; margin-left: 4em; margin-right: 5em; width: 0em; } ]]></style> </head> <body> <p>Test passes if there is <strong>no red</strong>.</p> <div id="parent"> <div id="preceding-sibling"></div> <div id="floated-left"></div> <div id="clearing-left"></div> <div id="following-sibling"></div> </div> </body> </html>