border-left-width
Controls the thickness of the physical left border. It can take keyword values like 'thin' or 'thick', but specific pixel values are most common.
It is documented as part of the CSS Backgrounds and Borders specification.
Syntax
/* Usage Example */
.thick-left {
/* Physical left border thickness */
border-left-width: 10px;
border-left-style: solid;
border-left-color: #eee;
}
/* Global values */
border-left-width: inherit;
border-left-width: initial;
border-left-width: revert;
border-left-width: revert-layer;
border-left-width: unset;border-left-width 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.
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