(Safari Firefox IE) Styles Bleeding In.

[danch...@googlemail.com]

I have been furthering my investigations into polymer so far so good but I have been thrown a little sideways,

To my knowledge styles cannot bleed out of a custom element and applyAuthorStyles is now deprecated so styles cannot bleed in unless using ::shadow / deep piercings.

This is the case with chrome but testing with Safari Firefox IE10 I get different results the styles defined within my global css leak into my custom elements. Is this the correct behaviour. Is it something todo with chrome implementing shadow dom polymer filling in for the other browsers?

Regards

Da.

[Steve Orvell]

 Is it something todo with chrome implementing shadow dom polymer filling in for the other browsers?

That's correct.  

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[Steve Orvell]

Oops, mistakenly hit send there (darn gmail). I meant to say, this is correct. 

Polymer provides an approximation shim for the style encapsulation ShadowDOM provides, and what you're seeing is one negative side effect: styles leak 'in' to polyfilled shadowRoot's. Unfortunately, polyfilling styles correctly would make performance unacceptable.

As a result, on polyfilled platforms, you'll need to take care to use selectors that do not leak into polyfilled shadowRoots.

[Eric Bidelman]

Here are some more details on the shimming the SD polyfill provides:

http://www.polymer-project.org/docs/polymer/styling.html#polyfill-details

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[Daniel Chin]

Thanks for the response Steve 

I am thinking of using polymer in our application going forward, We have got a css framework for our existing so this is very useful to know before jumping in :)

Regards

Dan