Effective immediately, all new features that are web-exposed are to be restricted to secure contexts. Web-exposed means that the feature is observable from a web page or server, whether through JavaScript, CSS, HTTP, media formats, etc. A feature can be anything from an extension of an existing IDL-defined object, a new CSS property, a new HTTP response header, to bigger features such as WebVR. In contrast, a new CSS color keyword would likely not be restricted to secure contexts.

CSS
HTTPS
CSS
HTTPS

Т.е. новые свойства CSS нельзя будет использовать если не HTTPS? Што?

blog.mozilla.org

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