CSS border-bottom-width Property

In CSS, the border-bottom-width property is used to specify the width of an element's bottom border. Before using the border-bottom-width property, the element is given the border-bottom-style or border-style property.




Property Values

Value Description
medium A medium bottom border is specified. This is the default setting.
thin This option specifies a thin bottom border.
thick This option specifies a thick bottom border.
length You can specify the thickness of the bottom border. Learn more about length units.
initial This property is set to its default value.
inherit Inherits this property from its parent element.

Supported Browsers

Element Chrome Firefox Safari Edge / IE Opera
border-bottom-width 1.0 1.0 1.0 4.0 3.5