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PNG-24 format
Introduction to Backgrounds13/18
Back to the list of tasks
  • 1. The background-color Property
  • 2. The background-image Property
  • 3. The background-repeat Property
  • 4. The background-position Property
  • 5. A Little More on background-position
  • 6. The background-attachment Property
  • 7. The background Property
  • 8. Summary of “Backgrounds: An Introduction. Part 1”
  • 9. Challenge: Cat Comics
  • 10. JPEG format
  • 11. The PNG-8 Format
  • 12. PNG-24 format
  • 13. The GIF Format
  • 14. Multiple backgrounds
  • 15. Effects with a Repeating Background
  • 16. Sprites
  • 17. Summary of “Backgrounds: An Introduction. Part 2”
  • 18. Challenge: CAT Academy
Multiple backgrounds
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  • Theory
  • Comments

The GIF Format

Probably the only reason to use GIF is that it supports animated images.

For all other cases, use PNG or JPEG (if you need to save a photo and the equivalent PNG file would be too large).

Comments

  • index.html
  • style.css
HTML
1
2
<!DOCTYPE html>
<html lang="en">
 
 
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CSS
1
2
.box {
width: 256px;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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    Assign the following non-repeating background images to the blocks:

    1. cat_purr.gif — To the first block,
    2. cat_walk.gif — To the second block.

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