Border-Bottom-Width

Syntax : border-bottom-width : value
Possible Values : thin | medium | thick | length
Initial Value : medium
Applies to: All elements
Inherited : No

The border-bottom-width property is used to specify the width of an element's bottom border. The value may be one of three keywords, which are not affected by font size, or a length, which can be used to achieve relative widths. Negative values are not allowed.

Authors may also use the border-bottom, border-width, or border shorthand properties.