CSS text-decoration-line Property Reference

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

Updated 2026-08-12

text-decoration-line overview

The CSS text-decoration-line 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-line formal syntax

Field	Value
Formal syntax	none \| [ underline \|\| overline \|\| line-through \|\| blink ] \| spelling-error \| grammar-error
Initial value	none
Applies to	allElements
Inherited	No
Percentages	no
Computed value	asSpecified
Animation type	discrete
Media	visual
Specification group	CSS Text Decoration
Status	Standard

Practical examples

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

text-decoration-line live example

CSS

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

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

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