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

Possible Values

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

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