| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>CSS Positioned Layout Test: ::backdrop UA styles"</title> |
| <link rel="author" title="Eyvind Lillesveen" href="mailto:eyvind.lillesveen@gmail.com"> |
| <link rel="help" href="https://drafts.csswg.org/css-position-4/#backdrop"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <div id="elm"></div> |
| <script> |
| test(() => { |
| const backdrop_style = getComputedStyle(elm, "::backdrop"); |
| assert_equals(backdrop_style.position, "fixed"); |
| assert_equals(backdrop_style.top, "0px"); |
| assert_equals(backdrop_style.right, "0px"); |
| assert_equals(backdrop_style.left, "0px"); |
| assert_equals(backdrop_style.bottom, "0px"); |
| }, "UA styles for ::backdrop"); |
| </script> |
| </body> |
| </html> |
