CSS border-width Property
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CSS border-width Property
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Reference
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Example
Set a width for the borders:
div {border-width: thin;}
Try it Yourself »
More "Try it Yourself" examples below.
Definition and Usage
The border-width
property sets the width of an element's four borders. This property can
have from one to four values.
Examples:
border-width: thin medium thick 10px;
- top border is thin
- right border is medium
- bottom border is thick
- left border is 10px
border-width: thin medium thick;
- top border is thin
- right and left borders are medium
- bottom border is thick
border-width: thin medium;
- top and bottom borders are thin
- right and left borders are medium
border-width: thin;- all four borders are thin
Note: Always declare the border-style property before the border-width
property. An element must have borders before you can set the width.
Default value: | medium |
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Inherited: | no |
Animatable: | yes. Read about animatable Try it |
Version: | CSS1 |
JavaScript syntax: | object.style.borderWidth="1px 5px" Try it |
Browser Support
The numbers in the table specify the first browser version that fully supports the property.
Property | |||||
---|---|---|---|---|---|
border-width | 1.0 | 4.0 | 1.0 | 1.0 | 3.5 |
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CSS Syntax
border-width: medium|thin|thick|length|initial|inherit;
Property Values
Value | Description | Play it |
---|---|---|
medium | Specifies a medium border. This is default | Play it » |
thin | Specifies a thin border | Play it » |
thick | Specifies a thick border | Play it » |
length | Allows you to define the thickness of the 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 borders to medium:
div {border-width: medium;}
Try it Yourself »
Example
Set the width of the borders to thick:
div {border-width: thick;}
Try it Yourself »
Example
Set the width of the borders to 1px:
div {border-width: 1px;}
Try it Yourself »
Example
Set the width of the borders to 15px:
div {border-width: 15px;}
Try it Yourself »
Example
Set the width of the top and bottom borders to 10px, and the width of the left and right borders to 1px:
div {border-width: 10px 1px;}
Try it Yourself »
Related Pages
CSS tutorial: CSS Border
HTML DOM reference:
borderWidth property
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Reference
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