CSS border-width Property
Example
Set the width of the four borders:
p
{
border-style: solid;
border-width: 15px;
}
Try it Yourself »
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 |
---|---|
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 |
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 | 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 |
Related Pages
CSS tutorial: CSS Border
HTML DOM reference: borderWidth property