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Pseudo elements
1. What is a pseudo-element in CSS?
Level: Expert | Frequency: High
2. How are pseudo-elements different from pseudo-classes?
Level: Expert | Frequency: High
3. What is the syntax of a pseudo-element?
Level: Expert | Frequency: High
4. Name some commonly used pseudo-elements.
Level: Expert | Frequency: High
5. What does the ::before pseudo-element do? What does the ::after pseudo-element do?
Level: Expert | Frequency: High
6. How can you insert content using pseudo-elements?
Level: Expert | Frequency: High
7. What is the difference between :before and ::before? Why were pseudo-elements changed from one colon (:) to two (::) in CSS3?
Level: Expert | Frequency: High
8. What does the ::first-letter pseudo-element do?
Level: Expert | Frequency: High
9. What does the ::first-line pseudo-element do?
Level: Expert | Frequency: High
10. How can you style the first line of a paragraph differently?
Level: Expert | Frequency: High
11. Can pseudo-elements be styled with animations or transitions?
Level: Expert | Frequency: High
12. What’s the difference between using ::before and ::after?
Level: Expert | Frequency: High
13. Can pseudo-elements be positioned using CSS positioning properties? Can pseudo-elements have background images or colors? How can you use pseudo-elements to create shapes or icons?
Level: Expert | Frequency: High
14. Can you use multiple pseudo-elements on the same element?
Level: Expert | Frequency: High
15. What is the ::selection pseudo-element used for?
Level: Expert | Frequency: High
16. How does stacking and z-index affect pseudo-elements?
Level: Expert | Frequency: High
17. Can pseudo-elements have child elements or content inside them?
Level: Expert | Frequency: High
18. Can you apply pseudo-elements to replaced elements (like <img>)?
Level: Expert | Frequency: High
19. How do pseudo-elements interact with display and overflow properties?
Level: Expert | Frequency: High
20. What’s the difference between using pseudo-elements and real elements for decoration?
Level: Expert | Frequency: High
21. How does inheritance work with pseudo-elements?
Level: Expert | Frequency: High
22. Can pseudo-elements trigger JavaScript events (like click)?
Level: Expert | Frequency: High
23. How can you control the generated content with pseudo-elements using attr()?
Level: Expert | Frequency: High
24. Can pseudo-elements be used inside flex or grid layouts?
Level: Expert | Frequency: High
25. How do you control the stacking order of ::before and ::after pseudo-elements?
Level: Expert | Frequency: High
26. How can you create a tooltip using pseudo-elements?
Level: Expert | Frequency: High
27. How can you make a custom underline or highlight effect using ::after?
Level: Expert | Frequency: High
28. How can you make a quotation mark appear before a paragraph using pseudo-elements?
Level: Expert | Frequency: High
29. How do you create a triangle or arrow shape using only CSS pseudo-elements?
Level: Expert | Frequency: High
30. How can you use pseudo-elements to add icons without extra markup?
Level: Expert | Frequency: High
31. How can you create a button hover animation using ::before or ::after?
Level: Expert | Frequency: High
32. How can pseudo-elements help in implementing skeleton loaders or shimmer effects?
Level: Expert | Frequency: High
33. How can you use ::before and ::after to clear floats?
Level: Expert | Frequency: High
34. How can you create a border animation using pseudo-elements?
Level: Expert | Frequency: High
35. How can pseudo-elements be used in responsive design?
Level: Expert | Frequency: High
36. What is the ::marker pseudo-element and when is it used?
Level: Expert | Frequency: High
37. What does the ::placeholder pseudo-element do?
Level: Expert | Frequency: High
38. How does ::cue work with media elements?
Level: Expert | Frequency: High
39. What is ::backdrop, and where is it used?
Level: Expert | Frequency: High
40. What is the difference between ::file-selector-button and other input pseudo-elements?
Level: Expert | Frequency: High
41. How does the ::part() pseudo-element work in Web Components?
Level: Expert | Frequency: High
42. How is ::slotted() different from ::part() in shadow DOM styling?
Level: Expert | Frequency: High
43. Can you style text highlights with pseudo-elements?
Level: Expert | Frequency: High
44. How can ::selection be customized for accessibility and branding?
Level: Expert | Frequency: High
45. What are the limitations of pseudo-elements compared to actual DOM elements?
Level: Expert | Frequency: High
All Topics
Basics
Selectors
Box model
Text formatters
Postioning
Display
Pseudo classes
Pseudo elements
Flexbox
Grid
Display
Combinators
Overflow
Breakpoint
Transformation and Transition
Frameworks
Everything else