TrustArc Webinar - How to Build Consumer Trust Through Data Privacy
Where does CSS come from?
1. Where does
CSS come from?
Rachel Andrew CSSConf EU 2017
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
2. 1996Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
3. Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
4. Don't break
the web!
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
5. Where does CSS
come from today?
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
6. Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
7. Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
8. Specs originate from ...
☞ Browser vendors
☞ Other CSS User Agents (UAs for print, EPUB etc.)
☞ Companies such as Adobe
☞ From the CSS Working Group itself
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
9. CSS Grid
A new spec is born
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
10. 7 April 2011
First Public Working Draft1
1
CSS Grid Layout, First Public Working Draft
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
11. CSS Advanced Layout Module
15 December
20052
2
https://www.w3.org/TR/2005/WD-css3-layout-20051215/
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
12. A Working Draft
A snapshot of the state of a specification at a particular date.
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
13. The Editor's Draft
The current document in progress. This may be significantly
different to the most recent Working Draft.
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
14. Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
15. Experimental
implementations
If you like CSS these are fun to play with!
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
16. Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
17. Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
18. ❝A great deal of the content delivered on the Bloomberg Terminal
is actually rendered using web technologies such as JavaScript,
HTML and CSS [...] For years, we have sponsored Igalia to
implement and land advancements in the Chromium project and
its JavaScript engine, V8, and participated in the standards-creation
processes that define how these tools will operate in the future.❞
☞ https://www.techatbloomberg.com/blog/bloombergs-2016-open-
source-contributions-5-top-projects/
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
19. The gutter problem
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
22. By using experimental implementations,
the web design and development community
can influence specs
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
23. Browsers implement
alongside spec development
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
25. CSS Grid Candidate
Recommendation
29 September 20163
3
https://www.w3.org/TR/2016/CR-css-grid-1-20160929/
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
26. Candidate Recommendations
❝A Candidate Recommendation is a document that W3C believes
has been widely reviewed and satisfies the Working Group’s
technical requirements. W3C publishes a Candidate
Recommendation to gather implementation experience.4
❞
4
https://www.w3.org/2005/10/Process-20051014/tr#maturity-levels
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
27. Next step: Proposed Recommendation
Requires two independent interoperable implementations of each
feature
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
28. at-risk features
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
29. March 2017
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
30. Can this be
implemented?
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
31. What priority are
implementors giving it?
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
32. Does this make
sense to authors?
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
33. Will this
break anything?
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
34. Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
35. If some CSS seems
weird
Doing a bit of digging and finding out why it is that way can help
your understanding of that property.
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
36. You can help to influence the direction of CSS
➀ Ask for features to be implemented in browsers
➁ Use and write about new browser features
➂ Share your ideas and feedback with the CSS Working Group
➃ Log bugs with specifications and with browsers
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
37. Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
38. Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
39. Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
40. Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
41. Take part in developing
the web platform
Share your ideas and feedback with the CSS Working Group
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
42. The CSS Working Group
☞ GitHub: https://github.com/w3c/csswg-drafts
☞ Twitter: https://twitter.com/csswg
☞ Current Work: https://www.w3.org/Style/CSS/current-
work.en.html
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
43. Show your use case when suggesting a feature
☞ what problem will this feature solve?
☞ are authors already working around this in some way?
☞ why are those existing methods problematic?
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
44. Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
45. Log spec issues
CSS specifications have bugs too! Raise those as Issues on the CSS
WG GitHub at github.com/w3c/csswg-drafts/issues/.
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
46. Raise issues with browsers
Log any interoperability issues you see between browsers.
☞ Edge: https://developer.microsoft.com/en-us/microsoft-edge/
platform/issues/
☞ Firefox: https://bugzilla.mozilla.org/
☞ Chrome: https://bugs.chromium.org/p/chromium/issues/list
☞ Safari: https://bugs.webkit.org/buglist.cgi?
component=CSS&product=WebKit
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
47. Your dev superpower
Creating a Reduced Test Case.
☞ https://rachelandrew.co.uk/archives/2017/01/30/reporting-
browser-bugs/
☞ https://developer.mozilla.org/en-US/docs/Mozilla/QA/
Reducing_testcases
☞ https://webkit.org/test-case-reduction/
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
48. Contributing to CSS
is an amazing way to
learn about CSS
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
49. Where does
CSS come from?
Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017
50. Rachel Andrew | @rachelandrew | Slides & Resources https://rachelandrew.co.uk/speaking/event/cssconfeu-2017