How to set the boldness of a font using CSS

The font-weight property allows you to make a text bold and also to specify how bold a font is.

The font-weight property that can have the following properties: normal, bold, bolder, lighter, 100, 200, 300, 400, 500, 600, 700, 800, 900.

Note: in the real, practical world of web design, a font is either is bold or it is not. If the font weight is bold, the font-weight property value should be bold.

Note: to remove bold formatting from an HTML element that is made bold by default, for example, the <h4> through <h6> elements, set the font-weight property value to normal.

The code below shows you how to set the boldness of a font using CSS.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

<head>
<title>Web Development Tutorials.com</title>

<style type="text/css">
p.one
{ font-weight: normal; }
p.two
{ font-weight: bold; }
p.three
{ font-weight: 400; }
p.four
{ font-weight: 900; }
</style>

</head>
<body>
<p class="one">
This is a paragraph with a normal font-weight.
</p>
<p class="two">
This is a paragraph with a bold font-weight.
</p>
<p class="three">
This is a paragraph with a font-weight of 400.
</p>
<p class="four">
This is a paragraph with a font-weight of 900.
</p>
</body>
</html>

The code above creates the paragraphs below.

This is a paragraph with a normal font-weight.

This is a paragraph with a bold font-weight.

This is a paragraph with a font-weight of 400.

This is a paragraph with a font-weight of 900.

Use the text editor below to practice what you have learned.

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