| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| dialog { | |
| position: absolute; | |
| top: 10px; | |
| left: 10px; | |
| width: 300px; | |
| height: 200px; | |
| } | |
| .box { | |
| position: absolute; | |
| z-index: 0; | |
| width: 100px; | |
| height: 100px; | |
| background-color: green; | |
| } | |
| .negative { | |
| margin: 50px; | |
| z-index: -1; | |
| background-color: orange; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <dialog id="theDialog"> | |
| <div class="box"></div> | |
| <div class="negative box"></div> | |
| </dialog> | |
| <script> | |
| document.getElementById('theDialog').showModal(); | |
| </script> | |
| </body> | |
| </html> |