| <!DOCTYPE html> | |
| <style> | |
| dialog { | |
| background-color: green; | |
| height: 50px; | |
| width: 50px; | |
| border: none; | |
| padding: 0; | |
| margin: 0; | |
| position: absolute; | |
| top: 100px; | |
| left: 100px; | |
| } | |
| </style> | |
| <dialog></dialog> | |
| <script> | |
| document.querySelector('dialog').showModal(); | |
| </script> |