The trigger-scope property limits the visibility of timeline-trigger names to a subtree rooted at the element. Analogous to timeline-scope but for triggers. Names are global by default and this property can close them off..scope-root {
trigger-scope: --reveal;
}.widget {
trigger-scope: all;
}noneDefault. No scope change; names remain globally accessible (subject to tree scope).allAll trigger names defined on the element or its descendants are restricted to the element's flat-tree descendants.CSS Animation Triggers Module Level 1Editor's Draft<dashed-ident>W3C
