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CSS Industry Standards Flashcards

7 cards from real CSS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 CSS Industry Standards flashcards as text

  1. Which organization is responsible for developing and maintaining the official CSS specifications?

    Answer: W3C

    The World Wide Web Consortium (W3C) develops and maintains CSS specifications through its CSS Working Group.

  2. What does the BEM methodology stand for in CSS naming conventions?

    Answer: Block Element Modifier

    BEM stands for Block, Element, Modifier, a naming convention for writing maintainable CSS class names.

  3. Which CSS specification maturity level indicates a stable, finished standard?

    Answer: Recommendation (REC)

    A W3C Recommendation (REC) is the most mature, stable stage of a specification.

  4. What is the recommended industry practice for ensuring cross-browser compatibility of newer CSS properties?

    Answer: Use vendor prefixes or feature queries

    Vendor prefixes and @supports feature queries allow safe progressive use of newer CSS features.

  5. Which methodology emphasizes single-responsibility, reusable utility classes applied directly in markup?

    Answer: Utility-first (e.g., Tailwind)

    Utility-first CSS uses small single-purpose classes composed directly in HTML.

  6. What is the industry-standard tool category used to automatically lint CSS for errors and style violations?

    Answer: Stylelint

    Stylelint is the standard linter for catching errors and enforcing conventions in CSS.

  7. Why is using relative units like rem and em considered an accessibility best practice?

    Answer: They scale with user font-size preferences

    Relative units respect user browser font-size settings, improving accessibility for visually impaired users.