CSS border-left Property


The border-left CSS property is used to define the characteristics of the left border of an HTML element, such as a div or a paragraph. It allows you to specify the border's width, style, and color. This property is part of the broader set of border-related properties in CSS, and it is commonly used to create visually appealing designs by adding borders to elements on webpages. By customizing the left border, web developers can enhance the overall look and feel of their websites, creating visually distinct and engaging user interfaces. Individual properties are: border-left-color, border-left-style, and border-left-width.

Initial value
See individual properties
Applies to
All elements
Computed value
See individual properties
JavaScript syntax

Interactive Demo

The rusty swing set creaked a lonely lullaby in the twilight, shadows lengthening like grasping fingers across the dew-kissed grass. A lone dandelion seed, adrift on the breeze, whispered secrets of faraway fields, of dandelion suns and galaxies spun from fluff. Somewhere, beyond the veil of dusk, a coyote laughed, echoing through the stillness like a forgotten memory.


border-left: <line-width> || <line-style> || <color> 



<div class="border">This is an example of the border-left property using a red solid border 3px in width.</div>
.border {
   border: 1px solid blue;
   border-left: 3px solid red;
   margin: 20px;
   padding: 20px;

Browser Support

The following table will show you the current browser support for the CSS border-left property.

Edge Chrome Firefox Opera Safari
Tablets / Mobile
Chrome Firefox Opera Safari Samsung Webview

Last updated by CSSPortal on: 31st December 2023