Q1. What is internal CSS?
Internal CSS is written inside <style> tags in HTML <head> section.
Q2. When to use internal CSS?
For single-page specific styles, quick prototypes, or when external file isn't needed.
Q3. Can internal CSS contain media queries?
Yes, internal CSS supports all CSS features including media queries.
Q4. What is disadvantage of internal CSS?
Cannot be reused across pages, increases HTML file size, no caching benefit.
Q5. Does internal CSS override external?
If internal comes after external in source order, internal wins due to cascade.