1. What is the CSS Containment property and how does it improve performance?
2. How does the CSS contain-intrinsic-size property handle layout calculations for containers?
3. What is the purpose of will-change, and how does it optimize rendering?
4. How does CSS aspect-ratio work in controlling element dimensions?
5. What are the best practices for using will-change to minimize performance issues?
6. How do CSS filter functions like blur(), grayscale(), and drop-shadow() impact rendering performance?
7. What is the mix-blend-mode property, and how does it affect compositing layers in CSS?
8. How does the backdrop-filter property enable background effects, and what are its limitations?
9. How do CSS Houdini APIs like Paint API and Typed OM enhance styling control?
10. What is the :has() pseudo-class, and how does it provide powerful parent-child relationship targeting?
11. How does the :is() pseudo-class simplify complex CSS selectors, and how can it be optimized for performance?
12. How do CSS Custom Properties (--variables) improve maintainability and dynamic theming?
13. What are CSS Custom Property fallbacks, and how do they ensure robust styles?
14. How can you use CSS Custom Properties within media queries for responsive design?
15. What is the difference between transforms and perspective in CSS 3D transformations?
16. How does perspective-origin control the vanishing point in 3D space?
17. What are the performance implications of animating CSS transform properties versus top, left, right, and bottom properties?
18. How do will-change and hardware acceleration affect CSS animations and transitions?
19. What is the backface-visibility property, and how is it used in CSS 3D transforms?
20. How can you create a 3D cube animation using CSS transforms and @keyframes?
21. What is CSS scroll-timeline, and how does it enable scroll-linked animations?
22. How do @scroll-timeline and scroll-linked animations work to create parallax effects?
23. What are CSS logical properties and logical values, and how do they facilitate internationalization in layouts?
24. What is the purpose of the offset property in CSS motion paths, and how does it animate elements along a path?
25. How do CSS motion paths work with SVG to animate complex shapes?
26. What are CSS Subgrid layouts, and how do they enhance nested grid designs?
27. How does the CSS subgrid value in grid-template-columns or grid-template-rows work to inherit grid tracks?
28. How do CSS Houdini Paint API and Typed OM interact to create custom CSS properties?
29. How does contain improve performance in large web applications with dynamic content?
30. What is the difference between CSS container queries and media queries?
31. How do container queries help in component-driven design by reacting to an element’s container size?
32. What is the resize-observer and how does it enable CSS container queries?
33. How does CSS handle overscroll-behavior to control scroll chaining and bounce effects?
34. What is the CSS Shadow Parts feature, and how does it improve styling Web Components?
35. How do shadow DOM and ::part enable encapsulation in web component styling?
36. How do CSS functions like var(), calc(), and clamp() enhance responsive design?
37. How can CSS clamp() be used to create fluid typography that adapts to viewport size?
38. What is the difference between CSS intrinsic sizing keywords like min-content, max-content, and fit-content?
39. How do you use the contain property to isolate parts of the document from others to boost performance?
40. How do you optimize complex CSS animations with compositing layers and hardware acceleration?