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.
Syntax
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 |