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CSS border-top-width Property


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
Animatable: yes. Read about animatable Try it
Version: CSS1
JavaScript syntax: object.style.borderTopWidth="5px" Try it

Browser Support

The numbers in the table specify the first browser version that fully supports the property.

Property
border-top-width 1.0 4.0 1.0 1.0 3.5

CSS Syntax

border-top-width: medium|thin|thick|length|initial|inherit;

Property Values

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

CSS reference: border-top property

HTML DOM reference: borderTopWidth property



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