[csswg-drafts] Pull Request: [web-animations-2] Define a title as in other specs

lahmatiy has just submitted a new pull request for https://github.com/w3c/csswg-drafts:

== [web-animations-2] Define a title as in other specs ==
That's a single spec that define a title via `<h1>`. Now it defined as in any other spec

See https://github.com/w3c/csswg-drafts/pull/4257