| <!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: 'vertical-rl' and margin collapsing - right margin of a block collapses with right margin of its first child</title> |
| |
| <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> |
| <link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#logical-direction-layout" title="7.4 Flow-Relative Mappings" /> |
| <link rel="match" href="../reference/ref-filled-green-100px-square.xht" /> |
| |
| <!-- |
| Test adapted from |
| http://test.csswg.org/suites/css2.1/nightly-unstable/html4/margin-collapse-017.htm |
| |
| " |
| The margin collapsing rules apply exactly with the block-start margin substituted for the top margin and the block-end margin substituted for the bottom margin. |
| " |
| --> |
| |
| <meta content="ahem image" name="flags" /> |
| <meta name="assert" content="This test checks that, in a vertical-rl context, the right margin an in-flow block box collapses with its first in-flow block-level child's right margin if the element has no top border, no top padding, and the child has no clearance." /> |
| |
| <style type="text/css"><![CDATA[ |
| div |
| { |
| font: 25px/1em Ahem; |
| height: 4em; |
| } |
| |
| div#wrapper |
| { |
| background: red url("support/margin-collapse-2em-space-wm-vert.png"); |
| border-right: green solid 1em; |
| width: 3em; |
| writing-mode: vertical-rl; |
| } |
| |
| div#parent |
| { |
| margin-right: 2em; /* block-start margin */ |
| } |
| |
| div#first-child |
| { |
| background-color: green; |
| margin-right: 2em; /* block-start margin of child */ |
| width: 1em; |
| } |
| ]]></style> |
| |
| </head> |
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| <body> |
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| <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> |
| |
| <div id="wrapper"> |
| <div id="parent"> |
| <div id="first-child"></div> |
| </div> |
| </div> |
| |
| </body> |
| </html> |
