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Designing an Enterprise CSS Framework is Hard, Stephanie Rewis

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Taken from the Future of Web Design, San Francisco 2015 Conference. https://futureofwebdesign.com/san-francisco-2015/

It seems that not a week goes by without a shiny new framework of some type — be it CSS or JS. But no matter how awesome they are, each have shortcomings and idiosyncrasies that invariably make you ask, 'Why?' Now imagine someone gave you the ability to start from scratch to create your own framework. No strings. No preconceptions — well, except that it has to be enterprise scale, platform agnostic, and work in a whole host of disparate situations. In this session, Stephanie will talk about some of the challenges, hurdles, tradeoffs, and unique decisions Salesforce UX made on the way to building an enterprise framework.

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Designing an Enterprise CSS Framework is Hard, Stephanie Rewis

  1. 1. Designing an Enterprise CSS Framework is hard ​Stephanie Rewis ​Salesforce UX ​
  2. 2. Stephanie Rewis @stefsull Lead Developer, Design Systems, Salesforce UX
  3. 3. Safe Harbor ​Safe harbor statement under the Private Securities Litigation Reform Act of 1995: ​This presentation may contain forward-looking statements that involve risks, uncertainties, and assumptions. If any such uncertainties materialize or if any of the assumptions proves incorrect, the results of salesforce.com, inc. could differ materially from the results expressed or implied by the forward-looking statements we make. All statements other than statements of historical fact could be deemed forward- looking, including any projections of product or service availability, subscriber growth, earnings, revenues, or other financial items and any statements regarding strategies or plans of management for future operations, statements of belief, any statements concerning new, planned, or upgraded services or technology developments and customer contracts or use of our services. ​The risks and uncertainties referred to above include – but are not limited to – risks associated with developing and delivering new functionality for our service, new products and services, our new business model, our past operating losses, possible fluctuations in our operating results and rate of growth, interruptions or delays in our Web hosting, breach of our security measures, the outcome of any litigation, risks associated with completed and any possible mergers and acquisitions, the immature market in which we operate, our relatively limited operating history, our ability to expand, retain, and motivate our employees and manage our growth, new releases of our service and successful customer deployment, our limited history reselling non-salesforce.com products, and utilization and selling to larger enterprise customers. Further information on potential factors that could affect the financial results of salesforce.com, inc. is included in our annual report on Form 10-K for the most recent fiscal year and in our quarterly report on Form 10-Q for the most recent fiscal quarter. These documents and others containing important disclosures are available on the SEC Filings section of the Investor Information section of our Web site. ​Any unreleased services or features referenced in this or other presentations, press releases or public statements are not currently available and may not be delivered on time or at all. Customers who purchase our services should make the purchase decisions based upon features that are currently available. Salesforce.com, inc. assumes no obligation and does not intend to update these forward-looking statements.
  4. 4. Salesforce1
  5. 5. ​How do I get my app to look like this?
  6. 6. ​Can I use the CSS in my app?
  7. 7. We'd like our prototypers to iterate more rapidly.
  8. 8. We learned our style guide was too static.
  9. 9. Lightning Design System The next generation of living style guides
  10. 10. Lightning Experience
  11. 11. Design System Components CSS Framework + UI Library
  12. 12. Objects/Components Lightweight Modular Reusable Utilities Non-semantic Single Purpose Dependencies Tokens
  13. 13. Objects/Components Lightweight Modular Reusable Dependencies Tokens Mixins Functions
  14. 14. clarity Eliminate ambiguity. Enable people to see, understand, and act with confidence.
  15. 15. Clarity and understandability in class names
  16. 16. BEM Naming Block Element Modifier
  17. 17. Let's build a house! .house { block or component name } .house__door { element or component part } .house--red { modifier or component variation } .house__door--white { variation of a component part }
  18. 18. We love documentation!
  19. 19. efficiency Streamline and optimize workflows. Intelligently anticipate needs to help people work better, smarter, and faster.
  20. 20. Design audit and inventory of all components in designer's comps
  21. 21. We broke the components down to their smallest patterns and objects.
  22. 22. Enterprise applications have some unique traits.
  23. 23. Enterprise applications demand content and data-rich interfaces. They lack vertical rhythm.
  24. 24. Heading levels may vary and our components should be agnostic.
  25. 25. Lists are used for their semantics.
  26. 26. You can opt back in to the default element style using utility classes or a single wrapper. <h2 class="slds-text-heading--medium slds-m-right--small"> Medium heading with a small margin on the right. </h2>
  27. 27. Accessibility for all people and devices is very important.
  28. 28. We baked accessibility in: Semantics matter ARIA roles REM unit sizing We’ve documented what needs to happen when JS is added
  29. 29. consistency Create familiarity and strengthen intuition by applying the same solution to the same problem.
  30. 30. Design Tokens The basic atoms of the Design System
  31. 31. Types of Design Tokens • Fonts • Font Sizes • Font Weights • Line Heights • Background Colors • Text Colors • Border Colors • Shadows • Spacing • Sizing • Animation Durations • Media Queries • Z-indexes
  32. 32. Using Sass and tokens (variables), you can brand your app. .slds-lookup__menu { position: absolute; width: 100%; margin-top: $spacing-xx-small; border: $border-width-thin solid $color-border; border-radius: $border-radius-medium; padding: $spacing-xx-small 0; background: $color-background-alt; z-index: $z-index-dropdown; }
  33. 33. We play well with others. .button .slds-button
  34. 34. What is scoping anyway? <div class="slds"> <!-- Your components here --> </div>
  35. 35. How does scoping help? <div class="slds"> <!-- Your components here --> </div> ul li { margin-left: 20px; } .slds li { margin-left: 0; }
  36. 36. beauty Demonstrate respect for people’s time and attention through thoughtful and elegant craftsmanship.
  37. 37. SVG icons for beauty at every size
  38. 38. Components should render beautifully at any width.
  39. 39. "I’ve been working on a mobile app that has a Salesforce1 look and feel for the past several weeks. I've been struggling to get the styling just right so I decided to scratch it and try out the framework. I started this at 11am this morning and by the end of the day, I almost have a complete application that took me previously over 2 weeks to complete." - Matt M. Sr. Software Engineer
  40. 40. Resources
  41. 41. Get the Design System https://www.lightningdesignsystem.com/resources/downloads https://github.com/salesforce-ux/design-system/
  42. 42. Flexbox Resources A Complete Guide to Flexbox — CSS Tricks https://css-tricks.com/snippets/css/a-guide-to-flexbox Known Bugs and Workarounds for Flexbox — Phil Walton https://github.com/philipwalton/flexbugs
  43. 43. https://developer.salesforce.com/trailhead/module/lightning_design_system
  44. 44. Thank you