outline-width - CSS 3
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.
Syntax
outline-width: medium|thin|thick|length|initial|inherit;
Example
p
{
outline-style: dotted;
outline-width: 5px;
}
Output / Return Value
Limitations
Alternatives / See Also
Reference