| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Reference mismatch: ::first-line supports opacity.</title> | |
| <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1639664"> | |
| </head> | |
| <body> | |
| <p>First<br>Second</p> | |
| </body> | |
| </html> |