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CSS

  1. Bold numbers in ordered lists
  2. CSS centering <hr />
  3. CSS centering absolutely positioned elements
  4. CSS centering image
  5. CSS for a range of elements
  6. CSS horizontal and vertical centering. Variant 1
  7. CSS horizontal and vertical centering. Variant 2
  8. CSS nowrap
  9. CSS rollover. Changing background image position
  10. CSS rollover. Image swap
  11. CSS vertical alignment
  12. CSS. Target Firefox only
  13. CSS. Target Opera only
  14. Float bottom
  15. Mobile-friendly HTML table. Variant 1
  16. Mobile-friendly HTML table. Variant 2
  17. Non-breaking space ( &nbsp; ) in :before and :after content
  18. Pure CSS responsive square