border-inline-start-color
Sets the color of the 'start' side of the inline dimension (usually the left border). It allows for easier localization without writing direction-specific overrides.
It is documented as part of the CSS Logical Properties and Values specification.
Syntax
/* Usage Example */
.note-box {
/* Adds a subtle blue line on the logical starting side */
border-inline-start-color: #3b82f6;
border-inline-start-style: solid;
border-inline-start-width: 4px;
}
/* Syntax */
border-inline-start-color: border-top-color;
/* Global values */
border-inline-start-color: inherit;
border-inline-start-color: initial;
border-inline-start-color: revert;
border-inline-start-color: revert-layer;
border-inline-start-color: unset;border-inline-start-color 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.
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