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CSS Reference

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CSS Properties

animation
appearance
backface-visibility
background
border
bottom
box
caption-side
clear
clip
color
column
content
counter-increment
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cursor
direction
display
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icon
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left
letter-spacing
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margin
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min-height
min-width
nav
opacity
outline
overflow
overflow-x
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padding
page-break
perspective
perspective-origin
position
punctuation-trim
quotes
resize
right
rotation
rotation-point
table-layout
target
text
top
transform
transition
vertical-align
visibility
width
white-space
word-spacing
word-break
word-wrap
z-index

CSS3 font-size-adjust Property

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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 »

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The font-size-adjust is only supported in Firefox.

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
Version: CSS3
JavaScript syntax: object.style.fontSizeAdjust="0.58"

Syntax

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

Value Description
number Defines the aspect value to use
none Default value. No font size adjustment
inherit Inherits the font size adjustment from parent elements

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