|Property/method value type:||String primitive|
|CSS syntax:||outline: aColour aStyle aWidth outline: aControl|
|Argument list:||aColour||An outline color value|
|aStyle||A style of outlining|
|aWidth||A thickness of the outline|
|aControl||A control over inheritance|
An outline is like a border but it is drawn within the extent of the object. It is intended to be drawn and then removed and is useful for those times when you want to border something without the border taking up any space. Its width is measured inwards from the outer edge of an object.
This property is a means of defining the following style properties with a single assignment:
Because the namespaces do not collide, they can be specified in any order.