For AI agents: the complete documentation index is available at /next/llms.txt, the full documentation bundle is available at /next/llms-full.txt, and this page is available as Markdown at /next/api/css/properties/border-left-width.md.
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      • border-left-width

      Introduction

      Used to set the width of the left border.

      Usage Examples

      css-apisrc/border-left-width/App.tsx
      Code
      Preview

      Syntax

      border-left-width: thin;
border-left-width: medium;

      Values

      • thin Thin border.

      • medium Medium border.

      • thick Thick border.

      • <length> Defines the border width with a specific size.

      Formal Definition

      Initial value0
      Applies toAll elements
      Inheritedno
      Animatableyes

      Formal Syntax

      border-left-width = <line-width>
<line-width> = thin | medium | thick | <length>

      Differences from the Web

      • mdn:border-left-width
      • Does not support inherit, initial, revert, or unset.
      • Default value is 0, whereas the web default is medium.

      Compatibility

      LCD tables only load in the browser

      Except as otherwise noted, this work is licensed under a Creative Commons Attribution 4.0 International License, and code samples are licensed under the Apache License 2.0.