CSS border-top-width Property
In CSS, the border-top-width property is used to specify the width of an element's top border. Before using the border-top-width property, the element is given the border-top-style or border-style property.
Syntax
Property Values
| Value | Description |
|---|---|
| medium | This option specifies a medium top border. This is the default setting. |
| thin | This option specifies a thin top border. |
| thick | This option specifies a thick top border. |
| length | You can specify the thickness of the top border. Learn more about length units. |
| initial | This property is set to its default value. |
| inherit | This property is inherited from its parent element. |
Supported Browsers
| Element | Chrome | Firefox | Safari | Edge / IE | Opera |
|---|---|---|---|---|---|
| border-top-width | 1.0 | 1.0 | 1.0 | 4.0 | 3.5 |