The "background-size" CSS Property

This property sets the size of the background images. Negative values are not allowed.

Values for "background-size"

CSS Level	Value
CSS Backgrounds and Borders Level 3	"<bg-size>##", where <bg-size> = "[ <length-percentage [0,∞]> | auto ]{1,2} | cover | contain"

Recommended Links

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

Search Engine Links (for more information)

• Bing "CSS background-size property"
• Google "CSS background-size property"