multicol-margin-001.xht (2016B)
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>CSS Multi-column Layout Test: multi-column and margin collapsing of first child (basic)</title> 5 <link rel="author" title="Opera Software ASA" href="http://www.opera.com/" /> 6 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-10 --> 7 <link rel="help" href="http://www.w3.org/TR/css3-multicol/#pseudo-algorithm" title="3.4 Pseudo-algorithm" /> 8 <link rel="match" href="../reference/ref-filled-green-100px-square.xht" /> 9 <meta name="flags" content="ahem" /> 10 <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." /> 11 <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> 12 <style type="text/css"><![CDATA[ 13 div#test-multi-column-red 14 { 15 background-color: red; 16 color: white; 17 font: 3.125em/1 Ahem; /* equivalent to 50px/50px Ahem */ 18 height: 4em; 19 margin-top: 0em; 20 width: 4em; 21 22 column-count: 2; 23 column-fill: auto; 24 column-gap: 0em; 25 } 26 27 div#first-child {margin-top: 2em;} 28 29 div#reference-overlapping-green 30 { 31 background-color: green; 32 bottom: 200px; 33 height: 100px; 34 position: relative; 35 width: 100px; 36 } 37 ]]></style> 38 39 </head> 40 41 <body> 42 43 <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> 44 45 <div id="test-multi-column-red"> 46 <div id="first-child">ab cd</div> 47 ef gh ij kl 48 </div> 49 50 <div id="reference-overlapping-green"></div> 51 52 <!-- 53 54 Expected result (before the overlapping): 55 56 ********************* 57 | margin- | ef | 58 | top red | | 59 | back | gh | 60 | ground | | 61 ********************* 62 | ab | ij | 63 | | | 64 | cd | kl | 65 | | | 66 ********************* 67 68 --> 69 70 </body> 71 </html>