CSS line-height Property Reference

The CSS line-height property is a standard property in CSS Inline. Review its formal syntax, computed behavior, and practical declarations.

Updated 2026-08-12

line-height overview

The CSS line-height property is a standard property in CSS Inline. Review its formal syntax, computed behavior, and practical declarations.

The computed value normally inherits from the parent element when no declaration wins the cascade.

Syntax and formal definition

line-height formal syntax

Field	Value
Formal syntax	normal \| <number> \| <length> \| <percentage>
Initial value	normal
Applies to	allElements
Inherited	Yes
Percentages	referToElementFontSize
Computed value	absoluteLengthOrAsSpecified
Animation type	numberOrLength
Media	visual
Specification group	CSS Inline
Status	Standard

Practical examples

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

line-height live example

CSS

.reset-example {
  line-height: initial;
}

.inherit-example {
  line-height: inherit;
}

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