This element has a 2px black border and a green outline with a width of 10px.
A dotted outline
A dashed outline
A solid outline
A double outline
A groove outline. The effect depends on the outline-color value.
A ridge outline. The effect depends on the outline-color value.
An inset outline. The effect depends on the outline-color value.
An outset outline. The effect depends on the outline-color value.