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CSS border-left-width Property


Example

Set a width for the left border:

div {border-left-width: thin;}
Try it Yourself »

More "Try it Yourself" examples below.


Definition and Usage

The border-left-width property sets the width of an element's left border.

Note: Always declare the border-style or the border-left-style property before the border-left-width property. An element must have borders before you can change the width.

Default value: medium
Inherited: no
Animatable: yes. Read about animatable Try it
Version: CSS1
JavaScript syntax: object.style.borderLeftWidth="5px" Try it

Browser Support

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

Property
border-left-width 1.0 4.0 1.0 1.0 3.5


CSS Syntax

border-left-width: medium|thin|thick|length|initial|inherit;

Property Values

Value Description Play it
medium Specifies a medium left border. This is default Play it »
thin Specifies a thin left border Play it »
thick Specifies a thick left border Play it »
length Allows you to define the thickness of the left border. Read about length units Play it »
initial Sets this property to its default value. Read about initial Play it »
inherit Inherits this property from its parent element. Read about inherit

More Examples

Example

Set the width of the left border to medium:

div {border-left-width: medium;}
Try it Yourself »

Example

Set the width of the left border to thick:

div {border-left-width: thick;}
Try it Yourself »

Example

Set the width of the left border to 1px:

div {border-left-width: 1px;}
Try it Yourself »

Example

Set the width of the left border to 15px:

div {border-left-width: 15px;}
Try it Yourself »

Related Pages

CSS tutorial: CSS Border

CSS reference: border-left property

HTML DOM reference: borderLeftWidth property