CSS tab-size Property


Set the tab-size of a <pre> element:

pre {-moz-tab-size: 16;} /* Code for Firefox */
pre {-o-tab-size: 16;} /* Code for Opera 10.6-12.1 */
pre {tab-size: 16;}

Try it yourself »

Definition and Usage

The tab-size property specifies the length of the space used for the tab character.

In HTML, the tab character is usually displayed as a single space-character, except for some elements, like <textarea> and <pre>, and the result of the tab-size property will only be visible for these elements.

Default value: 8
Inherited: yes
Animatable: no. Read about animatable
Version: CSS3
JavaScript syntax: object.style.tabSize="16" Try it

Browser Support

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

Numbers followed by -moz- or -o- specify the first version that worked with a prefix.

tab-size  21.0 Not supported 4.0 -moz- 6.1 15.0
10.6 -o-

Note: No browser is currently supporting the value as a length unit.

CSS Syntax

tab-size: number|length|initial|inherit;

Property Values

Value Description Play it
number Default value 8. Specifies the number of space-characters that should be displayed for each tab-character Play it »
length Specifies the length of a tab-character. This property value is not supported in any of the major browsers
initial Sets this property to its default value. Read about initial Play it »
inherit Inherits this property from its parent element. Read about inherit




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