margin-collapse-vlr-017.xht (2072B)
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-lr' and margin collapsing - elements with 'overflow' set to 'hidden'</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 and modified from 15 http://test.csswg.org/suites/css2.1/nightly-unstable/html4/margin-collapse-009.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 elements with 'overflow' set to 'hidden' do not collapse margin with in-flow children in 'vertical-lr' writing-mode. In this test, we are testing and checking that 'margin-left' of div#overflow does not collapse with 'margin-left' of div#nested." /> 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-color: green; 36 width: 8em; 37 writing-mode: vertical-lr; 38 } 39 40 div#overflow 41 { 42 background-color: white; 43 margin-left: 4em; /* block-start margin of overflowed block */ 44 overflow: hidden; 45 width: 4em; 46 } 47 48 div#nested 49 { 50 background-color: red; 51 margin-left: 4em; /* block-start margin of sub-block */ 52 width: 4em; 53 } 54 ]]></style> 55 56 </head> 57 58 <body> 59 60 <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> 61 62 <div id="wrapper"> 63 <div id="overflow"> 64 <div id="nested"></div> 65 </div> 66 </div> 67 68 </body> 69 </html>