What is CSS and its advantages?

Related questions

1. What does and mean in CSS?
2. What are CSS variables?
3. What is var HTML?
4. What is root in HTML?
5. Can I use CSS variables?
6. What is CSS root?
7. What is the CSS?
8. How do I host a CSS file?
9. How does a CSS preprocessor work?
10. What program opens CSS files?

Tags

1. #sheets
2. #reduces
3. #bigger
4. #editing
5. #ability
6. #pages
7. #maintenance
8. #usage
9. #large
10. #single
11. #saves
12. #number
13. #bandwidth
14. #associated
15. #risks
16. #website
17. #advantages
18. #websites
19. #sheet
20. #style