Specify an outline 15px outside the border edge:
The outline-offset property offsets an outline, and draws it beyond the border edge.
Outlines differ from borders in two ways:
| Default value: | 0 |
|---|---|
| Inherited: | no |
| Animatable: | yes, see individual properties. Read about animatable Try it |
| Version: | CSS3 |
| JavaScript syntax: | object.style.outlineOffset="15px" Try it |
The numbers in the table specify the first browser version that fully supports the property.
| Property | |||||
|---|---|---|---|---|---|
| outline-offset | 4.0 | Not supported | 3.5 | 3.1 | 10.5 |
| Value | Description |
|---|---|
| length | The distance the outline is outset from the border edge. Default value is 0 |
| initial | Sets this property to its default value. Read about initial |
| inherit | Inherits this property from its parent element. Read about inherit |
CSS3 tutorial: CSS3 User Interface
HTML DOM reference: outlineOffset property