| <!DOCTYPE html> |
| <style> |
| dialog { |
| padding: 0px; |
| border: none; |
| margin: 0px; |
| top: 100px; |
| left: 100px; |
| height: 100px; |
| width: 100px; |
| background: green; |
| } |
| |
| dialog::before { |
| content: '::before'; |
| position: absolute; |
| top: 0px; |
| } |
| |
| dialog::after { |
| content: '::after'; |
| position: absolute; |
| bottom: 0px; |
| } |
| |
| dialog::backdrop { |
| position: absolute; |
| top: 100px; |
| left: 300px; |
| height: 100px; |
| width: 100px; |
| background: green; |
| content: 'THIS TEXT SHOULD NOT BE SEEN'; |
| } |
| |
| dialog::backdrop::before { |
| content: '::backdrop::before'; |
| position: absolute; |
| top: 0px; |
| background: red; |
| } |
| dialog::backdrop::after { |
| content: '::backdrop::after'; |
| position: absolute; |
| bottom: 0px; |
| background: red; |
| } |
| </style> |
| <body> |
| Test for a modal dialog with ::before, ::after, and ::backdrop. The test passes |
| if there are two green boxes, one with the texts "::before" and "::after" in it. |
| <dialog></dialog> |
| <script> |
| document.querySelector('dialog').showModal(); |
| </script> |
| </body> |
