* Exclude @keyframes params from being parsed as a Less variable * Update changelog_unreleased/css/10773.md Co-authored-by: fisker Cheung <lionkay@gmail.com> * Update changelog_unreleased/css/10773.md Co-authored-by: fisker Cheung <lionkay@gmail.com> * Add "keyframes" to cspell.json Co-authored-by: fisker Cheung <lionkay@gmail.com>