The tab-size property in CSS is used to specify the width of tab character. The tab-size usually display a single space character in HTML document. Some elements like <textarea> and <pre> elements display the tab-size. Syntax:
Property Value: The value of tab-size property are listed below:
number: It is used to set the number of space character in a tab. Its default value is 8.
length: It is used to set the length character. But it is not supported by most of the browsers.
initial: This property is used to set its default value.
inherit: It is used to inherit the property from its parent.