CSS text-decoration-inset Property Reference

The CSS text-decoration-inset property is a standard property in CSS Text Decoration. Review its formal syntax, computed behavior, and practical declarations.

Updated 2026-08-12

text-decoration-inset overview

The CSS text-decoration-inset property is a standard property in CSS Text Decoration. 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

text-decoration-inset formal syntax

Field	Value
Formal syntax	<length>{1,2} \| auto
Initial value	0
Applies to	allElements
Inherited	No
Percentages	no
Computed value	absoluteLengthOrKeyword
Animation type	byComputedValue
Media	visual
Specification group	CSS Text Decoration
Status	Standard

Practical examples

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

text-decoration-inset live example

CSS

.reset-example {
  text-decoration-inset: initial;
}

.inherit-example {
  text-decoration-inset: inherit;
}

@supports (text-decoration-inset: initial) {
  .supported {
    text-decoration-inset: initial;
  }
}