CSS border-top-width Property

CSS Reference Complete CSS Reference

Example

Set the width of the top border:

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

Try it yourself »

Definition and Usage

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

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

Default value: medium
Inherited: no
Version: CSS1
JavaScript syntax: object.style.borderTopWidth="thick"

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The border-top-width property is supported in all major browsers.

Note: No versions of Internet Explorer (including IE8) support the property value "inherit".

Property Values

Value Description
thin Specifies a thin top border
medium Specifies a medium top border. This is default
thick Specifies a thick top border
length Allows you to define the thickness of the top border
inherit Specifies that the border width should be inherited from the parent element

Related Pages

CSS tutorial: CSS Border

CSS reference: border-top property

HTML DOM reference: borderTopWidth property

CSS Reference Complete CSS Reference