The line-gap-override CSS descriptor defines the line-gap metric for the font. The line-gap metric is the font recommended line-gap or external leading.


line-gap-override: normal;
line-gap-override: 90%;


The default value. When used the metric value is obtained from the font file.
A <percentage> value.

Formal definition

Value not found in DB!

Formal syntax



Overriding metrics of a fallback font

The line-gap-override property can help when overriding the metrics of a fallback font to better match those of a primary web font.

@font-face {
  font-family: web-font;
  src: url("");

@font-face {
  font-family: local-font;
  src: local(Local Font);
  line-gap-override: 125%;


Specification Status Comment
CSS Fonts Module Level 4
The definition of 'line-gap-override' in that specification.
Working Draft

Browser compatibility

BCD tables only load in the browser

See also