CSS will-change Property Reference

The CSS will-change property is a standard property in CSS Will Change. Review its formal syntax, computed behavior, and practical declarations.

Updated 2026-08-12

will-change overview

The CSS will-change property is a standard property in CSS Will Change. Review its formal syntax, computed behavior, and practical declarations.

The property is not inherited by default. Use an explicit global keyword when inheritance is intended.

Syntax and formal definition

will-change formal syntax

Field	Value
Formal syntax	auto \| <animateable-feature>#
Initial value	auto
Applies to	allElements
Inherited	No
Percentages	no
Computed value	asSpecified
Animation type	discrete
Media	all
Specification group	CSS Will Change
Status	Standard

Practical examples

These declarations demonstrate valid ways to set will-change. The initial and inherit global keywords remain available even when a property-specific value is preferable.

will-change live example

CSS

.reset-example {
  will-change: initial;
}

.inherit-example {
  will-change: inherit;
}

@supports (will-change: initial) {
  .supported {
    will-change: initial;
  }
}