# CSS3 font-size-adjust Property

## Example

By specifying the font-size-adjust property, the browser will adjust the font size to be the same regardless of the font family ("verdana" has the aspect value 0.58)

div {
font-size-adjust: 0.58;
}
Try it yourself »

## Definition and Usage

The font-size-adjust property gives you better control of the font size when the first selected font is not available.

When a font is not available, the browser uses the second specified font. This could result in a big change for the font size. To prevent this, use the font-size-adjust property.

All fonts have an "aspect value" which is the size-difference between the lowercase letter "x" and the uppercase letter "X".

When the browser knows the "aspect value" for the first selected font, the browser can figure out what font-size to use when displaying text with the second choice font.

Default value: | none
Inherited: | yes
Animatable: | yes. Read about animatable
Version: | CSS3
JavaScript syntax: | object.style.fontSizeAdjust="0.58" Try it

## Browser Support

The numbers in the table specify the first browser version that fully supports the property.

Property |  |  |  |  |
--- | --- | --- | --- | --- | ---
font-size-adjust | Not supported | Not supported | 3.0 | Not supported | Not supported

## Syntax

font-size-adjust: number|none|initial|inherit;

## Property Values

Value | Description
--- | ---
number | Defines the aspect value to use
none | Default value. No font size adjustment
initial | Sets this property to its default value. Read about initial
inherit | Inherits this property from its parent element. Read about inherit

## Related Pages

HTML DOM reference: fontSizeAdjust property

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