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CSS Properties

animation
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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: The value "inherit" is not supported in IE7 and earlier. IE8 requires a !DOCTYPE. IE9 supports "inherit".

Property Values

Value Description Play it
thin Specifies a thin top border Play it »
medium Specifies a medium top border. This is default Play it »
thick Specifies a thick top border Play it »
length Allows you to define the thickness of the top border Play it »
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
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