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CSS outline-width Property
Example
Set the width of an outline:
p
{
outline-style:dotted;
outline-width:5px;
}
{
outline-style:dotted;
outline-width:5px;
}
Try it yourself »
Definition and Usage
An outline is a line that is drawn around elements (outside the borders) to make the element "stand out".
The outline-width specifies the width of an outline.
Note: Always declare the outline-style property before the outline-width property. An element must have an outline before you change the width of it.
| Default value: | medium |
|---|---|
| Inherited: | no |
| Version: | CSS2 |
| JavaScript syntax: | object.style.outlineWidth="thin" |
Browser Support
The outline-width property is supported in all major browsers.
Note: IE8 supports the outline-width property only if a !DOCTYPE is specified.
Tips and Notes
An outline is a line around an element. It is displayed around the margin of the element. However, it is different from the border property.
The outline is not a part of the element's dimensions, therefore the element's width and height properties do not contain the width of the outline.
Property Values
| Value | Description | Play it |
|---|---|---|
| thin | Specifies a thin outline | Play it » |
| medium | Specifies a medium outline. This is default | Play it » |
| thick | Specifies a thick outline | Play it » |
| length | Allows you to define the thickness of the outline | Play it » |
| inherit | Specifies that the width of the outline should be inherited from the parent element |
Related Pages
CSS tutorial: CSS Outline
CSS reference: outline property
HTML DOM reference: outlineWidth property
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