| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <dialog id="target">Dialog contents</dialog> | |
| <style> | |
| #target::backdrop { | |
| opacity: 0.1; | |
| background-color: green; | |
| } | |
| </style> | |
| <script> | |
| const target = document.getElementById("target"); | |
| target.showModal(); | |
| </script> |