CSS scroll-timeline Property Reference

The CSS scroll-timeline property is a experimental property in Scroll-driven Animations. Review its formal syntax, computed behavior, and practical declarations.

Updated 2026-08-12

scroll-timeline overview

The CSS scroll-timeline property is a experimental property in Scroll-driven Animations. 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

scroll-timeline formal syntax

Field	Value
Formal syntax	[ <'scroll-timeline-name'> <'scroll-timeline-axis'>? ]#
Initial value	scroll-timeline-name, scroll-timeline-axis
Applies to	scrollContainers
Inherited	No
Percentages	no
Computed value	scroll-timeline-name, scroll-timeline-axis
Animation type	scroll-timeline-name, scroll-timeline-axis
Media	visual
Specification group	Scroll-driven Animations
Status	Experimental

Practical examples

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

scroll-timeline live example

CSS

.reset-example {
  scroll-timeline: initial;
}

.inherit-example {
  scroll-timeline: inherit;
}

@supports (scroll-timeline: initial) {
  .supported {
    scroll-timeline: initial;
  }
}