| <!doctype HTML> | |
| <html> | |
| <meta charset="utf8"> | |
| <title>Display Locking: iframe locking (reference)</title> | |
| <link rel="author" title="Vladimir Levin" href="mailto:[email protected]"> | |
| <link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility"> | |
| <style> | |
| div { | |
| background: blue; | |
| color: white; | |
| } | |
| </style> | |
| <div>Test passes if there is a box with no text below.</div> | |
| <iframe id="frame" width=400 height=200 srcdoc=''></iframe> | |
| <div>Test passes if there is a box with no text above.</div> |