Add an outline around a <div> element:
The outline property sets or returns all the outline properties, in a shorthand form.
With this property, you can set/return one or more of the following (in any order):
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.
The outline property is supported in all major browsers.
Note: The outline property is not supported in IE7 and earlier. IE8 requires a !DOCTYPE. IE9 and later support it.
Return the outline property:
Set the outline property:
|width||Sets the width of the outline|
|style||Sets the style of the outline|
|color||Sets the color of the outline|
|initial||Sets this property to its default value. Read about initial|
|inherit||Inherits this property from its parent element. Read about inherit|
|Default Value:||medium none invert|
|Return Value:||A String, representing the outline width, style and/or color of an element|
Change the width, style and color of the outline of a <div> element:
Return the outline property values of a <div> element:
CSS tutorial: CSS Outline
CSS reference: outline property