How to set font size

Example analysis:

The font-size attribute is used to set the font size.

The following attribute values can be set:

smaller Set font-size to a smaller size than the parent element. largerSet font-size to a larger size than the parent element. length Set font-size to a fixed value. % Set font-size to a percentage value based on the parent element.

Value	Description
##xx-small x-small small medium largex-large ##xx-large	Set the font size to different sizes, from xx-small to xx-large. Default value: medium.

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new file

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>php中文网(php.cn)</title> 
<style>
h1 {font-size:xx-large;}
h2 {font-size:250%;}
p {font-size:150%;}
</style>
</head>

<body>
<h1>测试文本！</h1>
<h2>测试文本！</h2>
<p>测试文本！</p>
</body>

</html>

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