#190: CSS Custom Properties Penetrate the Shadow DOM

Avatar of Chris Coyier
Chris Coyier on

Apps and tools to do more with Mailchimp Mailchimp tracking pixel

Download Video
(Only MVP Supporters can download original high-quality recordings for offline viewing.)

One of the whole points of the Shadow DOM is that it provides encapsulation. No styles out, no styles in. But there are ways “through” the Shadow DOM, and one of them that is pretty cool and useful is using CSS custom properties on particular elements/properties.