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<!DOCTYPE html>
<title>@scope - name-defining at-rules</title>
<link rel="help" href="https://drafts.csswg.org/css-cascade-5/#scope-scope">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<main id=main></main>
<template id=test_keyframes>
<style>
@scope (#inner) {
@keyframes --my-anim {
from { background-color: rgb(0, 0, 255); }
to { background-color: rgb(0, 0, 255); }
}
}
@scope (#outer) {
@keyframes --my-anim {
from { background-color: rgb(0, 128, 0); }
to { background-color: rgb(0, 128, 0); }
}
}
#animating {
animation: --my-anim 1000s linear;
}
</style>
<div id=outer>
<div id=inner>
<div id=animating></div>
<div>
</div>
</template>
<script>
test((t) => {
main.append(test_keyframes.content.cloneNode(true));
t.add_cleanup(() => main.replaceChildren());
assert_equals(getComputedStyle(animating).backgroundColor, 'rgb(0, 128, 0)');
}, '@keyframes is unaffected by @scope');
</script>
<template id=test_keyframes_non_matching>
<style>
@scope (#nomatch) {
@keyframes --my-anim {
from { background-color: rgb(0, 128, 0); }
to { background-color: rgb(0, 128, 0); }
}
}
#animating {
animation: --my-anim 1000s linear;
}
</style>
<div id=animating></div>
</template>
<script>
test((t) => {
main.append(test_keyframes_non_matching.content.cloneNode(true));
t.add_cleanup(() => main.replaceChildren());
assert_equals(getComputedStyle(animating).backgroundColor, 'rgb(0, 128, 0)');
}, '@keyframes is unaffected by non-matching @scope');
</script>
<template id=test_property>
<style>
@scope (#inner) {
@property --my-prop {
syntax: "<length>";
initial-value: 1px;
inherits: false;
}
}
@scope (#outer) {
@property --my-prop {
syntax: "<length>";
initial-value: 2px;
inherits: false;
}
}
</style>
<div id=outer>
<div id=inner>
<div id=subject></div>
<div>
</div>
</template>
<script>
test((t) => {
main.append(test_property.content.cloneNode(true));
t.add_cleanup(() => main.replaceChildren());
assert_equals(getComputedStyle(subject).getPropertyValue('--my-prop'), '2px');
}, '@property is unaffected by @scope');
</script>
<template id=test_property_non_matching>
<style>
@scope (#nomatch) {
@property --my-prop {
syntax: "<length>";
initial-value: 2px;
inherits: false;
}
}
</style>
<div id=subject></div>
</template>
<script>
test((t) => {
main.append(test_property_non_matching.content.cloneNode(true));
t.add_cleanup(() => main.replaceChildren());
assert_equals(getComputedStyle(subject).getPropertyValue('--my-prop'), '2px');
}, '@property is unaffected by non-matching @scope');
</script>
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