CSS (Cascading Style Sheets) is used to style and layout HTML elements, controlling colors, fonts, spacing, positioning, and responsive design.

What is the CSS Box Model?

The Box Model consists of content, padding, border, and margin. It defines the space around HTML elements and how they are calculated for sizing.

Flexbox is a CSS layout module that provides an efficient way to arrange, distribute, and align items in one-dimensional layouts with flexible sizing.

CSS Interview Questions

381. How would you evaluate the success of a CSS platform modernization initiative?

382. What KPIs best measure frontend styling system health?

383. How do you balance branding flexibility with maintainable styling systems?

384. How would you coordinate design-token governance across business units?

385. What lessons can be learned from large-scale CSS rewrites that failed?

386. How would you avoid overengineering CSS abstractions?

387. What signals indicate that CSS architecture complexity exceeds business value?

388. How do modern CSS capabilities reduce the need for JavaScript-driven layouts?

389. How would you evaluate when native CSS features should replace custom solutions?

390. What are the long-term risks of excessive framework-driven styling abstractions?