border-left | CSS CSS Properties

A shorthand for setting the physical left border's width, style, and color in one line. Perfect for adding a simple vertical line to the side of an element.

Quick example

blockquote {
  /* physical shorthand: width | style | color */
  border-left: 5px solid #7c3aed;
  padding-left: 1rem;
}

Quick facts

Initial value

See individual properties

Inherited

Applies to

all elements

border-left Browser Support

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.

View on caniuse.com → View on MDN → View on webstatus.dev → Learn more about Baseline →

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