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Vertical Shadow Offset
Shadow Play4/17
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  • 1. The box-shadow Property
  • 2. Horizontal Shadow Offset
  • 3. Vertical Shadow Offset
  • 4. Shadow Feathering
  • 5. Stretching the Shadow
  • 6. Feathering + Stretch
  • 7. Shadow Color
  • 8. Inner Shadow
  • 9. Challenge: Dim Shadows
  • 10. Semi-Transparent Shadow
  • 11. Casting a Shadow Only from One Side
  • 12. Multiple Shadows
  • 13. Multiple Borders for One Element
  • 14. Shadow Art – 1
  • 15. Shadow Art - 2
  • 16. Shadow Art - 3
  • 17. Challenge: The Foreboding Shadows
Stretching the Shadow
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  • Theory
  • Theory
  • Comments

Shadow Feathering

The third numerical value assigns a feathering radius for the shadow.

box-shadow:
[inset] — internal
5px     — x-offset
10px    — y-offset
[2px]   <— feathering
[3px]   — stretch
[red];   — color

The lower the value, the sharper the shadow. The maximum clarity is achieved at zero. Feathering cannot be assigned a negative value. If feathering is not specified, then it is equal to zero.

Comments

  • index.html
  • style.css
HTML
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Shadow Feathering</title> <link rel="stylesheet" href="style.css"> </head> <body> <button class="btn" type="button">Button</button> </body> </html>
CSS
body { background-image: url("bg.jpg"); font-size: 18px; font-family: "Tahoma", sans-serif; } .btn { display: block; margin: 100px auto; padding: 15px 20px; width: 150px; border: none; box-sizing: content-box; background-color: #3498db; box-shadow: 0 0 0 0 #34495e; color: white; text-align: center; text-transform: uppercase; font: inherit; }

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    1. Give the original shadow a feathering of 5px.
    2. And then decrease it to 70px.
    3. Then increase the feathering to10px.

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