What is CSS overlay?

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Tags

1. #colour
2. #absolute
3. #nothing
4. #opacity
5. #effect
6. #simple
7. #setting
8. #185px
9. #appears
10. #solutions
11. #overlay
12. #positioning
13. #hovers
14. #apply
15. #overlaya
16. #transparent
17. #using
18. #image
19. #background
20. #positioned