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 {font-weight: normal;}
p.one {font-weight: bold;}
p.two {font-weight: 400;}
p.three {font-weight: 900;}
</style>
</head>
<body>
<p>
This is a paragraph with a normal font-weight.
</p>
<p class="one">
This is a paragraph with a bold font-weight.
</p>
<p class="two">
This is a paragraph with a font-weight of 400.
</p>
<p class="three">
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 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.
