<!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#dummy { height: 100px; float: right; } div#reference { background-color: green; width: 100px; height: 100px; position: absolute; right: 8px; top: 8px; z-index: -1; } </style> </head> <body> <div id="dummy"></div> <div id="reference"></div> <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> </body> </html>