wm-propagation-body-033.html (1899B)
1 <!DOCTYPE html> 2 3 <meta charset="UTF-8"> 4 5 <title>CSS Writing Modes Test: 'writing-mode: vertical-lr' set to <body> element propagates to viewport</title> 6 7 <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> 8 <link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#principal-flow" title="8. The Principal Writing Mode"> 9 <!-- 10 Issue 3066: [css-writing-modes] Does vertical writing mode of an HTML body 11 element cause an orthogonal flow? 12 https://github.com/w3c/csswg-drafts/issues/3066 13 --> 14 <link rel="match" href="wm-propagation-body-033-ref.html"> 15 16 <meta name="assert" content="This test checks that when the root element has a <body> child element, then the principal writing mode is instead taken from the values of writing-mode and direction on the first such child element instead of taken from the root element."> 17 18 <!-- 19 Tests 032 to 035: html's writing-mode is not specified 20 21 Tests 036 to 039: html's writing-mode is specified as horizontal-tb 22 23 Tests 040 to 043: html's writing-mode is specified as vertical-rl 24 25 Tests 044 to 047: html's writing-mode is specified as vertical-lr 26 27 Tests 048 to 051: html's writing-mode is specified as sideways-rl 28 29 Tests 052 to 055: html's writing-mode is specified as sideways-lr 30 --> 31 32 <style> 33 html::before 34 { 35 background-color: orange; 36 content: ""; 37 display: block; 38 height: 100px; 39 margin-left: 8px; 40 margin-top: 8px; 41 margin-right: 1em; 42 width: 100px; 43 } 44 45 body 46 { 47 writing-mode: vertical-lr; 48 } 49 </style> 50 51 <body> 52 53 <div><img src="support/wm-propagation-body-003-exp-res.png" width="340" height="37" alt="Image download support must be enabled"></div> 54 55 <!-- 56 The image says: 57 Test passes if there is an orange square 58 in the <strong>upper-left corner</strong> of the page. 59 -->