Discovery Pane Design

[pwalm]

- [x] Spec out layout - [x] Spec out typography styles (I think we just get this "for free" with browser styling?) - [x] [Install switch](https://github.com//issues/63) - [x] ["Play video" interaction](https://github.com//issues/83) - [x] Intro copy from Scott - [ ] Spec out sidebar design - [x] [Answer QA questions](https://public.etherpad-mozilla.org/p/disco_pane_feedback) - [x] Android! Revist

[pwalm]

Updated layout/spec (April 5):

[pwalm]

Block spec:

[andymckay]

Can we turn this into a pull request?

[muffinresearch]

@pwalm do you we have a appropriately licensed source for using the SanFrancisco font as a webfont - I see it's an Apple font, so presumably we'll need a webfont to cover the cases where it's not locally installed.

[pwalm]

Ah, sorry about that. We should be pulling whatever typeface is the platform default.

[muffinresearch]

Ah, sorry about that. We should be pulling whatever typeface is the platform default.

Ok - I think we can do that fairly easily.