CSS Interview Questions & Practice

Sample CSS interview questions

• Box Model

  Can you explain the CSS box model, and the difference between content-box and border-box sizing?

• Specificity Cascade

  Can you explain how CSS specificity is calculated, and how it interacts with the cascade?

• Flexbox Grid

  Can you explain the difference between Flexbox and CSS Grid, and how you decide which to reach for?

• Responsive Design

  Can you explain the difference between a mobile-first and desktop-first approach to responsive design?

• Positioning Stacking

  Can you explain the difference between position: relative, absolute, fixed, and sticky?

• Css Architecture

  How do you approach organizing CSS in a large project to avoid it becoming unmaintainable?

• Accessibility

  Can you explain what a screen reader relies on to make sense of a page, beyond just the visible text?

• Rendering Performance

  Can you explain the difference between a browser reflow and a repaint, and why reflows are more expensive?

These are a few examples — each real session pulls 5 questions at random from a larger pool across every category above, so repeat sessions won't repeat the same set.

Frequently asked questions

Is this a live-coding CSS interview?

No. CSS practice on Hone is a spoken, conceptual discussion — you explain your reasoning out loud rather than writing or sharing code.

How many CSS questions are there?

Each session pulls 5 questions at random from a larger pool across multiple categories, so repeat sessions don't repeat the same set.

Can I choose the difficulty?

Yes — easy, medium, or hard, chosen right before you start. It changes how hard the interviewer pushes on follow-ups and how strictly it scores your answers.

Is it free?

Yes — every account gets 5 interviews a month, any track, for free. Pro upgrades to unlimited interviews for $99/month.