border-right-width | CSS CSS Properties

Controls the thickness of the physical right border. Often used to create visual separation in navigation bars or lists.

Quick example

.nav-item {
  /* Adds a divider line to the physical right */
  border-right-width: 1px;
  border-right-style: solid;
  border-right-color: #ddd;
}

Initial value

medium

Inherited

Applies to

all elements

Animation type

length

Widely available Since 2015 96% global usage

This feature is well established and works across many devices and browser versions. It has been available across browsers since 2015.

Safe to use without fallbacks.

12+