re: My Misconceptions about the Universal Selector in CSS VIEW POST

re: Yes, shadow parts. But that looks like it will take some time. There was another proposal for theming, @apply I think...

Right, I use @apply quite a lot since it's part of Polymer - v1 at least. It works as far as it goes, but I'm not sure it completely satisfies the theming use-case - well, not on its own anyway. Vaadin have a theming system which sounded quite clean - they did a presentation on that prior to the last Polymer summit - and I think there was a presentation on an alternative in the summit itself, iirc (perhaps it was the shadow parts thing, I forget).
We'll see :)

IIRC correctly Vaadin basically went ahead and support shadow parts for their components, but I'm not sure, quite some time, since I looked at it. The problem with apply is, that it gives the consumer no way to discern styles for stuff like :hover or parent classes. The comment developer has to invest a lot of thought and development to allow for such use cases.

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