<!DOCTYPE html> <!-- coding:utf-8 --> <html> <head> <meta charset="utf-8" /> <title>CSS Flexbox Test: flex direction: row, writing mode vertical</title> <link rel="author" title="Tsutomu ogaoga Ogasawara" href="mailto:info@ogaoga.org" /> <link rel="reviewer" title="Elika J Etemad" href="http://fantasai.inkedblade.net/contact" /> <!-- You must have at least one spec link, but may have as many as are covered in the test. --> <!-- Be sure to make the main testing area first in the order --> <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#flex-flow-property"> <!-- The match link is only required if this is a reftest --> <link rel="match" href="css-flexbox-test1-ref.html"> <meta name="assert" content="Test checks that when writing mode is vertical and flex-flow: row, the flex container is vertical."> <style type="text/css"> .container { display: flex; flex-flow: row; writing-mode: vertical-rl; color: white; } .item { background: green; height: 3em; width: 3em; /* make sure UA that doesn't support writing mode and flexbox fails. */ float: right; } .error { position: absolute; background: red; height: 9em; width: 3em; z-index: -1; } </style> </head> <body> <p>The test passes if you see a tall green box with pairs of the digits 1-9 listed top to bottom in two columns.</p> <div class="error"></div> <div class="container"> <div class="item">123<br />123</div> <div class="item">456<br />456</div> <div class="item">789<br />789</div> </div> </body> </html>