The "box-shadow" CSS Property

This property attaches one or more drop shadows to the box. The 1st length in a <shadow> is the horizontal offset, the 2nd is the vertical offset, the 3rd is the blur radius, and the 4th is the spread distance.

Values for "box-shadow"

CSS Level	Value
CSS Backgrounds and Borders Level 3	"none | <shadow>#", where <shadow> = "<color>? && [<length>{2} <length [0,∞]>? <length>?] && inset?"

Recommended Links

• CanIUse.com: Search "box-shadow" (browser compatibility information)
• CanIEmail.com: Search "box-shadow" (email client compatibility information)
• CSS Backgrounds and Borders Level 3: box-shadow property
• MDN: box-shadow property
• Quackit: box-shadow property

Search Engine Links (for more information)

• Bing "CSS box-shadow property"
• Google "CSS box-shadow property"