ascent-override
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The ascent-override
CSS descriptor for the @font-face
at-rule defines the ascent metric for the font. The ascent metric is the height above the baseline that CSS uses to lay out line boxes in an inline formatting context.
Syntax
css
ascent-override: normal;
ascent-override: 90%;
Values
normal
-
The default value. When used the metric value is obtained from the font file.
<percentage>
-
A
<percentage>
value.
Formal definition
Related at-rule | @font-face |
---|---|
Initial value | normal |
Percentages | as specified |
Computed value | as specified |
Formal syntax
ascent-override =
normal |
<percentage [0,∞]>
Examples
Overriding metrics of a fallback font
The ascent-override
property can help when overriding the metrics of a fallback font to better match those of a primary web font.
css
@font-face {
font-family: web-font;
src: url("https://example.com/font.woff");
}
@font-face {
font-family: local-font;
src: local(Local Font);
ascent-override: 125%;
}
Specifications
Specification |
---|
CSS Fonts Module Level 4 # font-metrics-override-desc |
Browser compatibility
BCD tables only load in the browser