Percentages
Description
You can express a unit of measurement as a percentage of another property value.
You do this using the % (percent) unit.
Example
The following code expresses units as a Percentage of Another Property Value.
<!DOCTYPE HTML>
<html>
<head>
<style type="text/css">
p {<!--from www. j a va 2 s . co m-->
background: grey;
color:white;
font-size: 200%;
width: 50%;
}
</style>
</head>
<body>
<a href="http://java2s.com">website</a>
<p>this is a test.</p>
<a href="http://w3c.org">W3C</a>
</body>
</html>