summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/css/css-will-change/will-change-stacking-context-transform-style-1.html
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/css/css-will-change/will-change-stacking-context-transform-style-1.html
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-will-change/will-change-stacking-context-transform-style-1.html')
-rw-r--r--testing/web-platform/tests/css/css-will-change/will-change-stacking-context-transform-style-1.html21
1 files changed, 21 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-will-change/will-change-stacking-context-transform-style-1.html b/testing/web-platform/tests/css/css-will-change/will-change-stacking-context-transform-style-1.html
new file mode 100644
index 0000000000..f8e50c60c1
--- /dev/null
+++ b/testing/web-platform/tests/css/css-will-change/will-change-stacking-context-transform-style-1.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS will-change: 'will-change: transform-style' creates a stacking context</title>
+<link rel="author" title="L. David Baron" href="https://dbaron.org/">
+<link rel="author" title="Mozilla" href="http://www.mozilla.org/">
+<link rel="help" href="https://drafts.csswg.org/css-will-change-1/#will-change">
+<link rel="help" href="http://www.w3.org/TR/css3-transforms/#transform-style-property">
+<link rel="match" href="green-square-100-by-100-ref.html">
+<meta name="assert" content="If any non-initial value of a property would create a stacking context on the element, specifying that property in will-change must create a stacking context on the element.">
+<style>
+html, body { margin: 0; padding: 0; }
+div { width: 100px; height: 100px }
+#wc { will-change: transform-style; background: red }
+#child { position: absolute; top: 0; left: 0; z-index: -1; background: green }
+</style>
+<body>
+ <div id="wc">
+ <div id="child">
+ </div>
+ </div>
+</body>