CSS Border-top-width Property

From http://www.w3schools.com (Copyright Refsnes Data)

# CSS border-top-width Property

Complete CSS Reference

## Definition

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

Inherited: No

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

## JavaScript Syntax

CSS properties can also be dynamically changed with a JavaScript.

Scripting Syntax: object.style.borderTopWidth="thick"

In our HTML DOM tutorial you can find more details about the borderTopWidth property.

In our HTML DOM tutorial you can also find a full Style Object Reference.

## Example

table
{
border-style: solid;
border-top-width: thin
}

table
{
border-style: solid;
border-top-width: 0.5cm
}

## Possible Values

Value | Description
--- | ---
thin | Defines a thin top border.
medium | Default. Defines a medium top border.
thick | Defines a thick top border.
length | Allows you to define the thickness of the top border.

## Try-It-Yourself Demos

Set the width of the top border
This example demonstrates how to set the width of the top border.

Complete CSS Reference

From http://www.w3schools.com (Copyright Refsnes Data)