| <!doctype html> | |
| <!-- | |
| Any copyright is dedicated to the Public Domain. | |
| http://creativecommons.org/publicdomain/zero/1.0/ | |
| --> | |
| <html><head> | |
| <meta charset="utf-8"> | |
| <title>Reference: content:none on a :root block</title> | |
| <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1699964"> | |
| <style> | |
| html,body { | |
| padding:0; margin:0; | |
| } | |
| </style> | |
| </head> | |
| <body><span>B</span><span>A</span></body> | |
| </html> |