What is crucial for ensuring cross-browser compatibility in CSS?

Question

Options

• AUsing the latest CSS features only.
• BConsistent testing across different browsers.
• CUsing inline styles exclusively.
• DAvoiding external stylesheets.

• B
  92% (36)
• C
  5% (2)
• D
  3% (1)

Explanation

Consistent testing across different browsers (B) is correct because browsers implement CSS specifications differently - what renders perfectly in Chrome may break in Firefox or Safari, and only hands-on testing reveals these discrepancies. Option A is wrong because cutting-edge CSS features often lack support in older or less common browsers, worsening compatibility rather than improving it. Option C is wrong because inline styles, while browser-compatible themselves, are harder to maintain and don't solve rendering inconsistencies. Option D is wrong because external stylesheets have no bearing on cross-browser behavior - the CSS rules themselves and how browsers interpret them are what matter.

Memory tip: Think "Test Before You Ship" - cross-browser compatibility is a process (testing), not a technology choice.

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