CSS overflow-anchor Property Reference

The CSS overflow-anchor property is a standard property in CSS Scroll Anchoring. Review its formal syntax, computed behavior, and practical declarations.

Updated 2026-08-12

overflow-anchor overview

The CSS overflow-anchor property is a standard property in CSS Scroll Anchoring. 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

overflow-anchor formal syntax

Field	Value
Formal syntax	auto \| none
Initial value	auto
Applies to	allElements
Inherited	No
Percentages	no
Computed value	asSpecified
Animation type	discrete
Media	visual
Specification group	CSS Scroll Anchoring
Status	Standard

Practical examples

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

overflow-anchor live example

CSS

.reset-example {
  overflow-anchor: initial;
}

.inherit-example {
  overflow-anchor: inherit;
}

@supports (overflow-anchor: initial) {
  .supported {
    overflow-anchor: initial;
  }
}