<!DOCTYPE html> <html> <head> <title>Bug 1141867 - Contiguous right-floating boxes with vertical writing mode</title> <!-- based on testcases from GĂ©rard Talbot, see https://bugzilla.mozilla.org/show_bug.cgi?id=1141867 --> <meta charset="utf-8"> <style type="text/css"> body { margin: 8px; } p { clear: both; } div.floated-right { background: green; color: green; inline-size: 100px; block-size: 20px; float: right; -ah-writing-mode: vertical-rl; -webkit-writing-mode: vertical-rl; writing-mode: tb-rl; /* IE 11 */ writing-mode: vertical-rl; } div#reference-overlapped-red { background-color: red; width: 100px; height: 100px; position: absolute; right: 8px; top: 8px; z-index: -1; } </style> </head> <body> <div class="floated-right">abcde</div> <div class="floated-right">fghijk</div> <div class="floated-right">lmnopq</div> <div class="floated-right">rstuv</div> <div class="floated-right">wxyz!</div> <div id="reference-overlapped-red"></div> <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> </body> </html>