Which feature is added in CSS3?

Question

Options

• APseudo-classes
• BMedia Queries
• CBox Model
• DInline styling

• A
  2% (1)
• B
  93% (43)
• C
  2% (1)
• D
  2% (1)

Explanation

Media Queries were introduced in CSS3, enabling developers to apply styles conditionally based on device characteristics like screen width, resolution, or orientation - the backbone of responsive web design.

Why the distractors are wrong:

• A. Pseudo-classes - existed since CSS1 (:hover, :link); CSS3 expanded them with new ones like :nth-child(), but the feature itself isn't new to CSS3.
• C. Box Model - introduced in CSS1; it's one of the foundational concepts of CSS from the very beginning.
• D. Inline styling - available since HTML4/CSS1 via the style attribute; not a CSS3 addition.

Memory tip: Think "CSS3 = Mobile Era." Media Queries arrived alongside smartphones becoming dominant, solving the problem of styling for multiple screen sizes - so if you remember CSS3 as the version that enabled responsive design, Media Queries is your anchor feature.

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