border-inline-start

A shorthand for setting the width, style, and color of the 'start' side border in the inline dimension. It's the logical equivalent of styling a left border.

Quick example

.callout {
  /* Logical equivalent of border-left */
  border-inline-start: 5px solid #6366f1;
  padding-inline-start: 1.5rem;
  background: #f5f3ff;
}

Quick facts

Initial value
See individual properties
Inherited
No
Applies to
all elements

Values

border-top-widthborder-top-style

border-inline-start Browser Support

Widely available Since 2021 95% global usage

This feature is well established and works across many devices and browser versions. It has been available across browsers since 2021.

Safe to use without fallbacks.

69+
41+
12.1+
79+
ESC