Customizing CSS Tabs

Setting the width for CSS tabs

By using the CSS tab-size property, you can define a custom size for the tab character:

pre {
    tab-size: 24;
}

Note: due to the whitespace collapse principle, CSS tabs or multiple spaces can only be displayed in preformatted text.

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Syntax for customizing CSS tabs

The CSS tab-size property only takes one value that define the width of the tab character:

tab-size: width;

You can specify it in two ways:

• Length units can be used to define exact width
• A unitless number defines how many spaces the tab will be equal to in width

Browser support

Chrome

21+

Edge

-

Firefox

4+

IE

-

Opera

15+

Safari

6.1+

Mobile browser support

Chrome

25+

Firefox

4+

Opera

14+

Safari

7.1+