border-bottom - CSS 3
The border-bottom shorthand property sets all the bottom border properties in
one declaration.The properties that can be set, are (in order): border-bottom-width, border-bottom-style, and border-bottom-color.It does not matter if one of the values above are missing, e.g.
border-bottom:solid #ff0000; is allowed.
Syntax
border-bottom: border-width border-style border-color|initial|inherit;
Example
p {
border-style: solid;
border-bottom: thick dotted #ff0000;
}
Output / Return Value
Limitations
Alternatives / See Also
Reference