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| 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/x
html1/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 - right mar
gin of a block collapses with right margin of its last child</title> |
| 8 |
| 9 <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserB
ugsSection/css21testsuite/" /> |
| 10 <link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#logical-direc
tion-layout" title="7.4 Flow-Relative Mappings" /> |
| 11 <link rel="match" href="../css21/reference/ref-filled-green-100px-square.xht"
/> |
| 12 |
| 13 <!-- |
| 14 " |
| 15 The margin collapsing rules apply exactly with the block-start margin substitu
ted for the top margin and the block-end margin substituted for the bottom margi
n. |
| 16 " |
| 17 --> |
| 18 |
| 19 <meta content="ahem image" name="flags" /> |
| 20 <meta name="assert" content="This test checks that, in a vertical-lr context,
the right margin an in-flow block box collapses with its last in-flow block-leve
l child's right margin if the element has no right padding and no right border a
nd the child's right margin does not collapse with a left margin that has cleara
nce." /> |
| 21 |
| 22 <style type="text/css"><![CDATA[ |
| 23 div |
| 24 { |
| 25 font: 25px/1em Ahem; |
| 26 height: 4em; |
| 27 } |
| 28 |
| 29 div#wrapper |
| 30 { |
| 31 background: red url("support/margin-collapse-2em-space-wm-vert.png") -1em
top; |
| 32 border-left: green solid 1em; |
| 33 width: 3em; |
| 34 -webkit-writing-mode: vertical-lr; |
| 35 } |
| 36 |
| 37 div#parent |
| 38 { |
| 39 background-color: green; |
| 40 margin-right: 2em; /* block-end margin */ |
| 41 } |
| 42 |
| 43 div#last-child |
| 44 { |
| 45 margin-right: 2em; /* block-end margin of last child */ |
| 46 } |
| 47 |
| 48 div#following-parent |
| 49 { |
| 50 background-color: green; |
| 51 width: 1em; |
| 52 } |
| 53 ]]></style> |
| 54 |
| 55 </head> |
| 56 |
| 57 <body> |
| 58 |
| 59 <p>Test passes if there is a filled green square and <strong>no red</strong>.<
/p> |
| 60 |
| 61 <div id="wrapper"> |
| 62 <div id="parent"> |
| 63 <div id="widthless-child"></div> |
| 64 <div id="last-child"></div> |
| 65 </div> |
| 66 <div id="following-parent"></div> |
| 67 </div> |
| 68 |
| 69 </body> |
| 70 </html> |
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