| <!DOCTYPE html> | |
| <style> | |
| html { | |
| overflow: hidden; | |
| } | |
| dialog { | |
| container-type: size; | |
| width: 100px; | |
| height: 100px; | |
| } | |
| @container (width > 1px) { | |
| dialog::backdrop { | |
| margin: 10px; | |
| background-color: green; | |
| } | |
| } | |
| </style> | |
| <dialog id=dialog> | |
| Hello World | |
| </dialog> | |
| <script> | |
| dialog.showModal(); | |
| </script> |