CSS font-size Property


Example

Set the font size for different elements:

div.a {
  font-size: 15px;
}

div.b {
  font-size: large;
}

div.c {
  font-size: 150%;
}
Try it Yourself »

Definition and Usage

The font-size property sets the size of a font.

Show demo ❯

Default value: medium
Inherited: yes
Animatable: yes. Read about animatable Try it
Version: CSS1
JavaScript syntax: object.style.fontSize="14px" Try it

Browser Support

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

Property
font-size 1.0 5.5 1.0 1.0 7.0


CSS Syntax

font-size:medium|xx-small|x-small|small|large|x-large|xx-large|smaller|larger|length|initial|inherit;

Property Values

Value Description Demo
medium Sets the font-size to a medium size. This is default Demo ❯
xx-small Sets the font-size to an xx-small size Demo ❯
x-small Sets the font-size to an extra small size Demo ❯
small Sets the font-size to a small size Demo ❯
large Sets the font-size to a large size Demo ❯
x-large Sets the font-size to an extra large size Demo ❯
xx-large Sets the font-size to an xx-large size Demo ❯
smaller Sets the font-size to a smaller size than the parent element Demo ❯
larger Sets the font-size to a larger size than the parent element Demo ❯
length Sets the font-size to a fixed size in px, cm, etc. Read about length units Demo ❯
% Sets the font-size to a percent of  the parent element's font size Demo ❯
initial Sets this property to its default value. Read about initial
inherit Inherits this property from its parent element. Read about inherit

Related Pages

CSS tutorial: CSS Fonts

CSS reference: font property

HTML DOM reference: fontSize property


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