Polymer's Styling System (The Polymer Summit 2015)

Опубликовано 15 сентября 2015, 13:58

Traditionally, CSS stylesheets have a terrible opinion about style encapsulation: the only thing stopping one element’s style from stomping over another’s is a “well chosen class name”. The Shadow DOM fixes this by building a little castle and a moat around each element, so that styles can’t get in and out of the web component castle. But what happens if you _do_ want to style this custom element? How do you cross the moat? Custom properties, that’s how.

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