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
css
/* <length> values */
outline-offset: 3px;
outline-offset: 0.2em;
/* Global values */
outline-offset: inherit;
outline-offset: initial;
outline-offset: revert;
outline-offset: revert-layer;
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
outline-offset =
<length>
Examples
Setting outline offset in pixels
HTML
html
<p>Gallia est omnis divisa in partes tres.</p>
CSS
css
p {
outline: 1px dashed red;
outline-offset: 10px;
background: yellow;
border: 1px solid blue;
margin: 15px;
}
Result
Specifications
Specification |
---|
CSS Basic User Interface Module Level 4 # outline-offset |
Browser compatibility
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