Padding Borders and Margin

border-width

Defines the width, or thickness of the line that makes up the border. To set different widths to different edges of the border see related properties border-top-width, border-bottom -width, border-left -width and border-right -width.

Example

border-width: 3px;

Browser support

IE5.5+, FF1+, SA1.3+, OP9.2+

Values

em Relative length value. A em unit is equal to the font-size value of the element used.
px Pixel, a pixel unit represents a single dot on the screen.

Related properties

Can be used with..

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