| <!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 Multi-column Layout Test: multi-column and margin collapsing of first child (basic)</title> |
| <link rel="author" title="Opera Software ASA" href="http://www.opera.com/" /> |
| <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-10 --> |
| <link rel="help" href="http://www.w3.org/TR/css3-multicol/#pseudo-algorithm" title="3.4 Pseudo-algorithm" /> |
| <link rel="match" href="../reference/ref-filled-green-100px-square.xht" /> |
| <meta name="flags" content="ahem" /> |
| <meta name="assert" content="This test checks that the margin-top of the first child of a multi-column element (with column-fill: auto) does not collapse with its parent." /> |
| <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> |
| <style type="text/css"><![CDATA[ |
| div#test-multi-column-red |
| { |
| background-color: red; |
| color: white; |
| font: 3.125em/1 Ahem; /* equivalent to 50px/50px Ahem */ |
| height: 4em; |
| margin-top: 0em; |
| width: 4em; |
| |
| column-count: 2; |
| column-fill: auto; |
| column-gap: 0em; |
| } |
| |
| div#first-child {margin-top: 2em;} |
| |
| div#reference-overlapping-green |
| { |
| background-color: green; |
| bottom: 200px; |
| height: 100px; |
| position: relative; |
| width: 100px; |
| } |
| ]]></style> |
| |
| </head> |
| |
| <body> |
| |
| <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> |
| |
| <div id="test-multi-column-red"> |
| <div id="first-child">ab cd</div> |
| ef gh ij kl |
| </div> |
| |
| <div id="reference-overlapping-green"></div> |
| |
| <!-- |
| |
| Expected result (before the overlapping): |
| |
| ********************* |
| | margin- | ef | |
| | top red | | |
| | back | gh | |
| | ground | | |
| ********************* |
| | ab | ij | |
| | | | |
| | cd | kl | |
| | | | |
| ********************* |
| |
| --> |
| |
| </body> |
| </html> |
