Sets the style type of the bottom border of an element. Used when you need to specify the bottom border style separately.

none: No border style (border width remains unchanged)hidden: Hides the border (equivalent to none, used in table layouts to resolve border conflicts)dotted: Dotted border (renders as a solid line)dashed: Dashed border (renders as a solid line)solid: Solid linedouble: Double line (total width equals border-width value)groove: 3D groove effect (depends on border-color)ridge: 3D ridge effect (depends on border-color)inset: Inset effect (depends on border-color)outset: Outset effect (depends on border-color)| Initial value | solid |
| Applies to | All elements |
| Inherited | no |
| Animatable | no |
none)none or hidden, the border width remains unchanged (on the Web, it is set to 0)inherit, initial, revert, and unsetLCD tables only load in the browser