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CSS Custom Properties (CSS Variables)

Category

CSS

Type

New or changed feature

Status

Enabled by default (Chrome 49)

Intent stage

None

Summary

Introduces cascading variables as a new primitive value type that is accepted by all CSS properties, and custom properties for defining them.

Standards & signals

• Specification: https://www.w3.org/TR/css-variables-1/
• Firefox: Shipped/Shipping
• Safari: Shipped/Shipping
• Web developers: Mixed signals
• Tracking bug: http://crbug.com/465126

Samples: https://googlechrome.github.io/samples/css-custom-properties/index.html

View on chromestatus.com