margin-collapse-vrl-024.xht (1769B)
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 2 3 <html xmlns="http://www.w3.org/1999/xhtml"> 4 5 <head> 6 7 <title>CSS Writing Modes Test: 'vertical-rl' and margin collapsing - collapse through empty siblings</title> 8 9 <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> 10 <link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#logical-direction-layout" title="7.4 Flow-Relative Mappings" /> 11 <link rel="match" href="../reference/ref-filled-green-100px-square.xht" /> 12 13 <!-- 14 Test adapted from 15 http://test.csswg.org/suites/css2.1/nightly-unstable/html4/margin-collapse-016.htm 16 17 " 18 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. 19 " 20 --> 21 22 <meta content="ahem image" name="flags" /> 23 <meta name="assert" content="This test checks that margins can collapse through empty elements in 'vertical-rl' writing-mode." /> 24 25 <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> 26 <style type="text/css"><![CDATA[ 27 div 28 { 29 font: 25px/1em Ahem; 30 height: 4em; 31 } 32 33 div#wrapper 34 { 35 background-image: url("support/margin-collapse-2em-space-wm-vert.png"); 36 background-position: -1em top; 37 border-left: green solid 1em; 38 border-right: green solid 1em; 39 writing-mode: vertical-rl; 40 } 41 42 div.widthless 43 { 44 margin-left: 2em; 45 } 46 ]]></style> 47 48 </head> 49 50 <body> 51 52 <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> 53 54 <div id="wrapper"> 55 <div class="widthless"></div> 56 <div class="widthless"></div> 57 </div> 58 59 </body> 60 </html>