Web/CSS/outline-offset

The outline-offset CSS property sets the amount of space between an outline and the edge or border of an element.

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Syntax

/* <length> values */
outline-offset: 3px;
outline-offset: 0.2em;

/* Global values */
outline-offset: inherit;
outline-offset: initial;
outline-offset: unset;

Values

<length>

The width of the space between the element and its outline. A negative value places the outline inside the element. A value of 0 places the outline so that there is no space between it and the element.

Description

An outline is a line that is drawn around an element, outside the border edge. The space between an element and its outline is transparent. In other words, it is the same as the parent element's background.

Formal definition

Initial value	0
Applies to	all elements
Inherited	no
Computed value	as specified, but with relative lengths converted into absolute lengths
Animation type	a length

Formal syntax

<length>

Examples

Setting outline offset in pixels

HTML

<p>Gallia est omnis divisa in partes tres.</p>

CSS

p {
  outline: 1px dashed red;
  outline-offset: 10px;
  background: yellow;
  border: 1px solid blue;
  margin: 15px;
}

Specifications

Specification	Status	Comment
CSS Basic User Interface Module Level 3The definition of 'outline-offset' in that specification.	Recommendation	Initial definition

Browser compatibility

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
outline-offset	Chrome Full support 1	Edge Full support 15	Firefox Full support 1.5	IE No support No	Opera Full support 9.5	Safari Full support 1.2	WebView Android Full support 37	Chrome Android Full support 18	Firefox Android Full support 4	Opera Android Full support 14	Safari iOS Full support 1	Samsung Internet Android Full support 1.0

Legend

Full support  

Full support

No support  

No support

outline-offset by Mozilla Contributors is licensed under CC-BY-SA 2.5.