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-bottom-width.md.
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      • border-bottom-width

      Introduction

      Used to set the width of the bottom border.

      Usage Examples

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

      Syntax

      border-bottom-width: 10px;

      Values

      • thin: Thin border (2px)
      • medium: Medium border (4px)
      • thick: Thick border (6px)
      • <length>: Specific size value

      Formal Definition

      Initial value0
      Applies toAll elements
      Inheritedno
      Animatableyes

      Formal Syntax

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

      Differences from the Web

      • MDN Reference
      • Different specific size values (Web standard: thin=1px, medium=3px, thick=5px)
      • Different default value (Web uses medium)
      • Does not support global values like inherit, initial, revert, and unset

      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.