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Diffstat (limited to 'testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/backdrop-inherits.html')
| -rw-r--r-- | testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/backdrop-inherits.html | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/backdrop-inherits.html b/testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/backdrop-inherits.html new file mode 100644 index 0000000000..458320f019 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/backdrop-inherits.html @@ -0,0 +1,25 @@ +<!DOCTYPE html> +<link rel="match" href="backdrop-inherits-ref.html"> +<link rel="help" href="https://drafts.csswg.org/css-position-4/#backdrop"> +<style> +dialog { + --backdrop-bg: green; + visibility: hidden; +} + +dialog::backdrop { + position: absolute; + top: 100px; + left: 100px; + height: 100px; + width: 100px; + visibility: visible; + background-color: var(--backdrop-bg); +} +</style> +Test that ::backdrop inherits from its originating element. The test passes if +there is a green box and no red. +<dialog></dialog> +<script> +document.querySelector('dialog').showModal(); +</script> |