CSS border-widthProperty


Example

Set the width of the four borders:

p { border-style:solid; border-width:15px; }

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Property definition and usage instructions

The border-width property sets the width of an element's four borders. This property can have one to four values.

Example:

border-width:thin medium thick 10px;

  • The top border is a thin border.
  • The right border is a medium border
  • The bottom border is a thick border.
  • The left border is a 10px wide border

border-width:thin medium thick;

  • The top border is a thin border.
  • The right and left borders are medium borders
  • The bottom border is a thick border.

border-width:thin medium;

  • The top and bottom borders are thin borders
  • The right and left borders are medium borders

border-width:thin;

  • All four borders are thin borders
Default value: medium
Inheritance: no
version: CSS1
JavaScript Syntax: object.style.borderWidth="thin thick"


Browser Support

The numbers in the table indicate the first browser version that supports the property.

Property
border-width 1.0 4.0 1.0 1.0 3.5

Property value

Value Description
thin Define thin borders.
medium Default. Defines a medium border.
thick Define thick borders.
length Allows you to customize the width of the border.
inherit Specifies that the border width should be inherited from the parent element.


Related Articles

CSS Tutorial:CSS Border

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