The tab-size CSS property is used to control the width of tab characters within a block of text. It allows you to specify the visual appearance and spacing of tab characters when they are encountered in the content.

The tab-size property accepts a numeric value or the keyword value inherit. The numeric value represents the number of spaces that a tab character should occupy.

Here’s an example:

.tabbed-text {
  tab-size: 4;

In this example, the .tabbed-text class sets the tab-size property to 4. This specifies that tab characters within the element’s content should be rendered as if they occupy four spaces.

It’s important to note that the tab-size property affects the visual appearance of tab characters within the content, but it does not affect the behavior of tab key navigation or tab stops in interactive elements.

The tab-size property is particularly useful when working with code snippets or text that includes tab characters for indentation purposes. By adjusting the tab-size value, you can control the spacing and alignment of tab characters to achieve the desired visual representation.

Keep in mind that the tab-size property is not supported in all browsers, particularly older versions. In some cases, you may need to use alternative techniques, such as replacing tab characters with spaces or using custom CSS solutions to achieve consistent tab spacing across different browsers.