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CSS font-weight Property

Definition

The font-weight property sets how thick or thin characters in text should be displayed.

Inherited: Yes

CSS properties can also be dynamically changed with a JavaScript.

Scripting Syntax: object.style.fontWeight="900"

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

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

p
{
font-weight: bold
}

Value	Description
normal	Default. Defines normal characters
bold	Defines thick characters
bolder	Defines thicker characters
lighter	Defines lighter characters
100 200 300 400 500 600 700 800 900	Defines from thin to thick characters. 400 is the same as normal, and 700 is the same as bold

Set the boldness of the font
This example demonstrates how to set the boldness of a font.